12751015090 has 24 divisors (see below), whose sum is σ = 25228043820. Its totient is φ = 4636732320.

The previous prime is 12751015049. The next prime is 12751015097. The reversal of 12751015090 is 9051015721.

It can be written as a sum of positive squares in 2 ways, for example, as 12685291641 + 65723449 = 112629^2 + 8107^2 .

It is not an unprimeable number, because it can be changed into a prime (12751015097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5267805 + ... + 5270224.

Almost surely, 2^12751015090 is an apocalyptic number.

12751015090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12751015090 is a deficient number, since it is larger than the sum of its proper divisors (12477028730).

12751015090 is a wasteful number, since it uses less digits than its factorization.

12751015090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538058 (or 10538047 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 31.

The spelling of 12751015090 in words is "twelve billion, seven hundred fifty-one million, fifteen thousand, ninety".