11138537032 has 64 divisors (see below), whose sum is σ = 24118456320. Its totient is φ = 4723826688.

The previous prime is 11138536999. The next prime is 11138537041. The reversal of 11138537032 is 23073583111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3077688 + ... + 3081304.

It is an arithmetic number, because the mean of its divisors is an integer number (376850880).

Almost surely, 2^11138537032 is an apocalyptic number.

It is an amenable number.

11138537032 is an abundant number, since it is smaller than the sum of its proper divisors (12979919288).

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

11138537032 is a wasteful number, since it uses less digits than its factorization.

11138537032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 11138537032 in words is "eleven billion, one hundred thirty-eight million, five hundred thirty-seven thousand, thirty-two".