11404432356 has 12 divisors (see below), whose sum is σ = 26610342192. Its totient is φ = 3801477448.

The previous prime is 11404432343. The next prime is 11404432379. The reversal of 11404432356 is 65323440411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11404432356² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475184670 + ... + 475184693.

It is an arithmetic number, because the mean of its divisors is an integer number (2217528516).

Almost surely, 2^11404432356 is an apocalyptic number.

It is an amenable number.

11404432356 is an abundant number, since it is smaller than the sum of its proper divisors (15205909836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11404432356 is a wasteful number, since it uses less digits than its factorization.

11404432356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950369370 (or 950369368 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 11404432356 its reverse (65323440411), we get a palindrome (76727872767).

The spelling of 11404432356 in words is "eleven billion, four hundred four million, four hundred thirty-two thousand, three hundred fifty-six".