1150131515 has 64 divisors (see below), whose sum is σ = 1624396032. Its totient is φ = 774144000.

The previous prime is 1150131509. The next prime is 1150131523. The reversal of 1150131515 is 5151310511.

It is a de Polignac number, because none of the positive numbers 2^k-1150131515 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7616690 + ... + 7616840.

It is an arithmetic number, because the mean of its divisors is an integer number (25381188).

Almost surely, 2^1150131515 is an apocalyptic number.

1150131515 is a deficient number, since it is larger than the sum of its proper divisors (474264517).

1150131515 is a wasteful number, since it uses less digits than its factorization.

1150131515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 375, while the sum is 23.

The square root of 1150131515 is about 33913.5889430771. The cubic root of 1150131515 is about 1047.7294898787.

The spelling of 1150131515 in words is "one billion, one hundred fifty million, one hundred thirty-one thousand, five hundred fifteen".