2251800518474 has 16 divisors (see below), whose sum is σ = 3722117495712. Its totient is φ = 1015122952368.

The previous prime is 2251800518453. The next prime is 2251800518479. The reversal of 2251800518474 is 4748150081522.

It is not an unprimeable number, because it can be changed into a prime (2251800518479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007065304 + ... + 1007067539.

It is an arithmetic number, because the mean of its divisors is an integer number (232632343482).

Almost surely, 2^{2251800518474} is an apocalyptic number.

2251800518474 is a deficient number, since it is larger than the sum of its proper divisors (1470316977238).

2251800518474 is a wasteful number, since it uses less digits than its factorization.

2251800518474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014132901.

The product of its (nonzero) digits is 716800, while the sum is 47.

Adding to 2251800518474 its reverse (4748150081522), we get a palindrome (6999950599996).

The spelling of 2251800518474 in words is "two trillion, two hundred fifty-one billion, eight hundred million, five hundred eighteen thousand, four hundred seventy-four".