2512951739081 has 12 divisors (see below), whose sum is σ = 2931194798208. Its totient is φ = 2148089521032.

The previous prime is 2512951739033. The next prime is 2512951739083. The reversal of 2512951739081 is 1809371592152.

It is not a de Polignac number, because 2512951739081 - 2¹⁰ = 2512951738057 is a prime.

It is a super-2 number, since 2×2512951739081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2512951739083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69852221 + ... + 69888186.

It is an arithmetic number, because the mean of its divisors is an integer number (244266233184).

Almost surely, 2^{2512951739081} is an apocalyptic number.

It is an amenable number.

2512951739081 is a deficient number, since it is larger than the sum of its proper divisors (418243059127).

2512951739081 is a wasteful number, since it uses less digits than its factorization.

2512951739081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139740788 (or 139740781 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 2512951739081 in words is "two trillion, five hundred twelve billion, nine hundred fifty-one million, seven hundred thirty-nine thousand, eighty-one".