11115153532 has 18 divisors (see below), whose sum is σ = 22627277232. Its totient is φ = 4763637144.

The previous prime is 11115153527. The next prime is 11115153541. The reversal of 11115153532 is 23535151111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11115153532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28354788 + ... + 28355179.

Almost surely, 2^11115153532 is an apocalyptic number.

It is an amenable number.

11115153532 is an abundant number, since it is smaller than the sum of its proper divisors (11512123700).

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

11115153532 is a wasteful number, since it uses less digits than its factorization.

11115153532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56709985 (or 56709976 counting only the distinct ones).

The product of its digits is 2250, while the sum is 28.

The spelling of 11115153532 in words is "eleven billion, one hundred fifteen million, one hundred fifty-three thousand, five hundred thirty-two".