2665125536 has 12 divisors (see below), whose sum is σ = 5246965962. Its totient is φ = 1332562752.

The previous prime is 2665125523. The next prime is 2665125571. The reversal of 2665125536 is 6355215662.

2665125536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2213137936 + 451987600 = 47044^2 + 21260^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2665125493 and 2665125502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41642555 + ... + 41642618.

Almost surely, 2^2665125536 is an apocalyptic number.

It is an amenable number.

2665125536 is a deficient number, since it is larger than the sum of its proper divisors (2581840426).

2665125536 is an equidigital number, since it uses as much as digits as its factorization.

2665125536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83285183 (or 83285175 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 2665125536 is about 51624.8538593573. The cubic root of 2665125536 is about 1386.4553571418.

The spelling of 2665125536 in words is "two billion, six hundred sixty-five million, one hundred twenty-five thousand, five hundred thirty-six".