11131154432 has 26 divisors (see below), whose sum is σ = 22259599488. Its totient is φ = 5565575168.

The previous prime is 11131154429. The next prime is 11131154449. The reversal of 11131154432 is 23445113111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354688 + ... + 1362879.

Almost surely, 2^11131154432 is an apocalyptic number.

It is an amenable number.

11131154432 is a deficient number, since it is larger than the sum of its proper divisors (11128445056).

11131154432 is an frugal number, since it uses more digits than its factorization.

11131154432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717591 (or 2717569 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

Adding to 11131154432 its reverse (23445113111), we get a palindrome (34576267543).

The spelling of 11131154432 in words is "eleven billion, one hundred thirty-one million, one hundred fifty-four thousand, four hundred thirty-two".