2651275001245 has 16 divisors (see below), whose sum is σ = 3544410083760. Its totient is φ = 1890352041984.

The previous prime is 2651275001239. The next prime is 2651275001269. The reversal of 2651275001245 is 5421005721562.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 29900288889 + 2621374712356 = 172917^2 + 1619066^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651275001245 - 2⁵ = 2651275001213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2651275001198 and 2651275001207.

It is a congruent number.

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, 703254084 + ... + 703257853.

It is an arithmetic number, because the mean of its divisors is an integer number (221525630235).

Almost surely, 2^{2651275001245} is an apocalyptic number.

It is an amenable number.

2651275001245 is a deficient number, since it is larger than the sum of its proper divisors (893135082515).

2651275001245 is a wasteful number, since it uses less digits than its factorization.

2651275001245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406511984.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 2651275001245 in words is "two trillion, six hundred fifty-one billion, two hundred seventy-five million, one thousand, two hundred forty-five".