11537435432 has 8 divisors (see below), whose sum is σ = 21632691450. Its totient is φ = 5768717712.

The previous prime is 11537435431. The next prime is 11537435491. The reversal of 11537435432 is 23453473511.

It can be written as a sum of positive squares in only one way, i.e., 10382387236 + 1155048196 = 101894^2 + 33986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11537435432² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11537435431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721089707 + ... + 721089722.

Almost surely, 2^11537435432 is an apocalyptic number.

It is an amenable number.

11537435432 is a deficient number, since it is larger than the sum of its proper divisors (10095256018).

11537435432 is a wasteful number, since it uses less digits than its factorization.

11537435432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442179435 (or 1442179431 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The spelling of 11537435432 in words is "eleven billion, five hundred thirty-seven million, four hundred thirty-five thousand, four hundred thirty-two".