2044515105451 has 16 divisors (see below), whose sum is σ = 2534693644224. Its totient is φ = 1605830736384.

The previous prime is 2044515105449. The next prime is 2044515105467. The reversal of 2044515105451 is 1545015154402.

It is not a de Polignac number, because 2044515105451 - 2¹ = 2044515105449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2044515105451.

It is not an unprimeable number, because it can be changed into a prime (2044515105251) 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, 81984610 + ... + 82009543.

It is an arithmetic number, because the mean of its divisors is an integer number (158418352764).

Almost surely, 2^{2044515105451} is an apocalyptic number.

2044515105451 is a deficient number, since it is larger than the sum of its proper divisors (490178538773).

2044515105451 is a wasteful number, since it uses less digits than its factorization.

2044515105451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163994310.

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 2044515105451 in words is "two trillion, forty-four billion, five hundred fifteen million, one hundred five thousand, four hundred fifty-one".