1150138552 has 64 divisors (see below), whose sum is σ = 2379456000. Its totient is φ = 518753664.

The previous prime is 1150138547. The next prime is 1150138559. The reversal of 1150138552 is 2558310511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150138559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939813 + ... + 941035.

It is an arithmetic number, because the mean of its divisors is an integer number (37179000).

Almost surely, 2^1150138552 is an apocalyptic number.

It is an amenable number.

1150138552 is an abundant number, since it is smaller than the sum of its proper divisors (1229317448).

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

1150138552 is a wasteful number, since it uses less digits than its factorization.

1150138552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 1150138552 is about 33913.6926918907. The cubic root of 1150138552 is about 1047.7316266945.

The spelling of 1150138552 in words is "one billion, one hundred fifty million, one hundred thirty-eight thousand, five hundred fifty-two".