1516251012 has 48 divisors (see below), whose sum is σ = 3837419712. Its totient is φ = 464081920.

The previous prime is 1516251007. The next prime is 1516251031. The reversal of 1516251012 is 2101526151.

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, 82278 + ... + 99005.

It is an arithmetic number, because the mean of its divisors is an integer number (79946244).

Almost surely, 2^1516251012 is an apocalyptic number.

1516251012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1516251012 is an abundant number, since it is smaller than the sum of its proper divisors (2321168700).

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

1516251012 is a wasteful number, since it uses less digits than its factorization.

1516251012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181348 (or 181346 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1516251012 is about 38939.0679395386. The cubic root of 1516251012 is about 1148.8333504454.

Adding to 1516251012 its reverse (2101526151), we get a palindrome (3617777163).

The spelling of 1516251012 in words is "one billion, five hundred sixteen million, two hundred fifty-one thousand, twelve".