2506365121051 has 12 divisors (see below), whose sum is σ = 2822123683512. Its totient is φ = 2222940236000.

The previous prime is 2506365121049. The next prime is 2506365121061. The reversal of 2506365121051 is 1501215636052.

It is a happy number.

It is not a de Polignac number, because 2506365121051 - 2¹ = 2506365121049 is a prime.

It is a super-2 number, since 2×2506365121051² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2506365121051.

It is not an unprimeable number, because it can be changed into a prime (2506365121061) 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, 252601885 + ... + 252611806.

It is an arithmetic number, because the mean of its divisors is an integer number (235176973626).

Almost surely, 2^{2506365121051} is an apocalyptic number.

2506365121051 is a deficient number, since it is larger than the sum of its proper divisors (315758562461).

2506365121051 is a wasteful number, since it uses less digits than its factorization.

2506365121051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505213754 (or 505213743 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 2506365121051 in words is "two trillion, five hundred six billion, three hundred sixty-five million, one hundred twenty-one thousand, fifty-one".