11552432401 has 4 divisors (see below), whose sum is σ = 11748236400. Its totient is φ = 11356628404.

The previous prime is 11552432393. The next prime is 11552432407. The reversal of 11552432401 is 10423425511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11552432401 - 2³ = 11552432393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11552432401.

It is not an unprimeable number, because it can be changed into a prime (11552432407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97901911 + ... + 97902028.

It is an arithmetic number, because the mean of its divisors is an integer number (2937059100).

Almost surely, 2^11552432401 is an apocalyptic number.

It is an amenable number.

11552432401 is a deficient number, since it is larger than the sum of its proper divisors (195803999).

11552432401 is an equidigital number, since it uses as much as digits as its factorization.

11552432401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195803998.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11552432401 its reverse (10423425511), we get a palindrome (21975857912).

The spelling of 11552432401 in words is "eleven billion, five hundred fifty-two million, four hundred thirty-two thousand, four hundred one".