2251550353365 has 24 divisors (see below), whose sum is σ = 3903450071040. Its totient is φ = 1200592149984.

The previous prime is 2251550353319. The next prime is 2251550353379. The reversal of 2251550353365 is 5633530551522.

2251550353365 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 5 + 50 + 3 + 533 + 65 = 666.

It is not a de Polignac number, because 2251550353365 - 2⁸ = 2251550353109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2251550353365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4656777 + ... + 5117486.

It is an arithmetic number, because the mean of its divisors is an integer number (162643752960).

Almost surely, 2^{2251550353365} is an apocalyptic number.

It is an amenable number.

2251550353365 is a deficient number, since it is larger than the sum of its proper divisors (1651899717675).

2251550353365 is a wasteful number, since it uses less digits than its factorization.

2251550353365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9779393 (or 9779390 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 45.

The spelling of 2251550353365 in words is "two trillion, two hundred fifty-one billion, five hundred fifty million, three hundred fifty-three thousand, three hundred sixty-five".