12652765154 has 32 divisors (see below), whose sum is σ = 19471434480. Its totient is φ = 6164121600.

The previous prime is 12652765141. The next prime is 12652765157. The reversal of 12652765154 is 45156725621.

It can be written as a sum of positive squares in 8 ways, for example, as 3258697225 + 9394067929 = 57085^2 + 96923^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12652765157) 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, 12539402 + ... + 12540410.

Almost surely, 2^12652765154 is an apocalyptic number.

12652765154 is a deficient number, since it is larger than the sum of its proper divisors (6818669326).

12652765154 is a wasteful number, since it uses less digits than its factorization.

12652765154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766.

The product of its digits is 504000, while the sum is 44.

The spelling of 12652765154 in words is "twelve billion, six hundred fifty-two million, seven hundred sixty-five thousand, one hundred fifty-four".