2654215405251 has 16 divisors (see below), whose sum is σ = 3621738831744. Its totient is φ = 1728095451264.

The previous prime is 2654215405229. The next prime is 2654215405271. The reversal of 2654215405251 is 1525045124562.

It is not a de Polignac number, because 2654215405251 - 2⁶ = 2654215405187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2654215405271) 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, 402006 + ... + 2338811.

It is an arithmetic number, because the mean of its divisors is an integer number (226358676984).

Almost surely, 2^{2654215405251} is an apocalyptic number.

2654215405251 is a deficient number, since it is larger than the sum of its proper divisors (967523426493).

2654215405251 is a wasteful number, since it uses less digits than its factorization.

2654215405251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748370.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 2654215405251 in words is "two trillion, six hundred fifty-four billion, two hundred fifteen million, four hundred five thousand, two hundred fifty-one".