2551002133545 has 48 divisors (see below), whose sum is σ = 4464763804800. Its totient is φ = 1347305167872.

The previous prime is 2551002133517. The next prime is 2551002133579. The reversal of 2551002133545 is 5453312001552.

2551002133545 is a `hidden beast` number, since 2 + 5 + 5 + 100 + 2 + 1 + 3 + 3 + 545 = 666.

2551002133545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2551002133545 - 2⁶ = 2551002133481 is a prime.

It is a super-2 number, since 2×2551002133545² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12693756 + ... + 12893154.

It is an arithmetic number, because the mean of its divisors is an integer number (93015912600).

Almost surely, 2^{2551002133545} is an apocalyptic number.

It is an amenable number.

2551002133545 is a deficient number, since it is larger than the sum of its proper divisors (1913761671255).

2551002133545 is a wasteful number, since it uses less digits than its factorization.

2551002133545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202174 (or 202171 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 2551002133545 in words is "two trillion, five hundred fifty-one billion, two million, one hundred thirty-three thousand, five hundred forty-five".