1151025512 has 32 divisors (see below), whose sum is σ = 2656214400. Its totient is φ = 455350464.

The previous prime is 1151025487. The next prime is 1151025541. The reversal of 1151025512 is 2155201511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789812 + ... + 791267.

It is an arithmetic number, because the mean of its divisors is an integer number (83006700).

Almost surely, 2^1151025512 is an apocalyptic number.

It is an amenable number.

1151025512 is an abundant number, since it is smaller than the sum of its proper divisors (1505188888).

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

1151025512 is a wasteful number, since it uses less digits than its factorization.

1151025512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581105 (or 1581101 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 1151025512 is about 33926.7668957713. The cubic root of 1151025512 is about 1048.0008862141. Note that the first 3 decimals are identical.

The spelling of 1151025512 in words is "one billion, one hundred fifty-one million, twenty-five thousand, five hundred twelve".