15450544505451 has 16 divisors (see below), whose sum is σ = 22550220725760. Its totient is φ = 9332007431520.

The previous prime is 15450544505411. The next prime is 15450544505453.

15450544505451 is nontrivially palindromic in base 10.

15450544505451 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 15450544505451 - 2¹⁵ = 15450544472683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15450544505451.

It is not an unprimeable number, because it can be changed into a prime (15450544505453) 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, 798963571 + ... + 798982908.

It is an arithmetic number, because the mean of its divisors is an integer number (1409388795360).

Almost surely, 2^{15450544505451} is an apocalyptic number.

15450544505451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15450544505451 is a deficient number, since it is larger than the sum of its proper divisors (7099676220309).

15450544505451 is a wasteful number, since it uses less digits than its factorization.

15450544505451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597946786.

The product of its (nonzero) digits is 4000000, while the sum is 48.

The spelling of 15450544505451 in words is "fifteen trillion, four hundred fifty billion, five hundred forty-four million, five hundred five thousand, four hundred fifty-one".