11552431 has 8 divisors (see below), whose sum is σ = 12646224. Its totient is φ = 10465920.

The previous prime is 11552413. The next prime is 11552449. The reversal of 11552431 is 13425511.

It is a happy number.

11552431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11552413) and next prime (11552449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11552431 - 2⁹ = 11551919 is a prime.

It is a super-2 number, since 2×11552431² = 266917324019522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1831 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (1580778).

Almost surely, 2^11552431 is an apocalyptic number.

11552431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11552431 is a deficient number, since it is larger than the sum of its proper divisors (1093793).

11552431 is a wasteful number, since it uses less digits than its factorization.

11552431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641.

The product of its digits is 600, while the sum is 22.

The square root of 11552431 is about 3398.8867295042. The cubic root of 11552431 is about 226.0603840527.

Adding to 11552431 its reverse (13425511), we get a palindrome (24977942).

Subtracting 11552431 from its reverse (13425511), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 11552431 in words is "eleven million, five hundred fifty-two thousand, four hundred thirty-one".