2125501006651 has 16 divisors (see below), whose sum is σ = 2330558334720. Its totient is φ = 1922434369120.

The previous prime is 2125501006637. The next prime is 2125501006663. The reversal of 2125501006651 is 1566001055212.

It is a cyclic number.

It is not a de Polignac number, because 2125501006651 - 2¹⁷ = 2125500875579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125501006691) 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, 1761060 + ... + 2711518.

It is an arithmetic number, because the mean of its divisors is an integer number (145659895920).

Almost surely, 2^{2125501006651} is an apocalyptic number.

2125501006651 is a deficient number, since it is larger than the sum of its proper divisors (205057328069).

2125501006651 is a wasteful number, since it uses less digits than its factorization.

2125501006651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951506.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 2125501006651 in words is "two trillion, one hundred twenty-five billion, five hundred one million, six thousand, six hundred fifty-one".