11572431 has 8 divisors (see below), whose sum is σ = 16616880. Its totient is φ = 7121472.

The previous prime is 11572417. The next prime is 11572469. The reversal of 11572431 is 13427511.

11572431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11572431 - 2⁷ = 11572303 is a prime.

It is a super-2 number, since 2×11572431² = 267842318499522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572831) 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, 148326 + ... + 148403.

It is an arithmetic number, because the mean of its divisors is an integer number (2077110).

Almost surely, 2^11572431 is an apocalyptic number.

11572431 is a deficient number, since it is larger than the sum of its proper divisors (5044449).

11572431 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 8 representation: 11572431 = (54112317)₈.

11572431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296745.

The product of its digits is 840, while the sum is 24.

The square root of 11572431 is about 3401.8275970425. The cubic root of 11572431 is about 226.1907635689.

Adding to 11572431 its reverse (13427511), we get a palindrome (24999942).

The spelling of 11572431 in words is "eleven million, five hundred seventy-two thousand, four hundred thirty-one".