2251155466252 has 48 divisors (see below), whose sum is σ = 4944575865600. Its totient is φ = 871187140800.

The previous prime is 2251155466213. The next prime is 2251155466253. The reversal of 2251155466252 is 2526645511522.

It is not an unprimeable number, because it can be changed into a prime (2251155466253) 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, 24480774 + ... + 24572557.

It is an arithmetic number, because the mean of its divisors is an integer number (103011997200).

Almost surely, 2^{2251155466252} is an apocalyptic number.

2251155466252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2251155466252 is an abundant number, since it is smaller than the sum of its proper divisors (2693420399348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251155466252 is a wasteful number, since it uses less digits than its factorization.

2251155466252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49053502 (or 49053500 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 46.

The spelling of 2251155466252 in words is "two trillion, two hundred fifty-one billion, one hundred fifty-five million, four hundred sixty-six thousand, two hundred fifty-two".