15455055451 has 24 divisors (see below), whose sum is σ = 17186928192. Its totient is φ = 13885872000.

The previous prime is 15455055443. The next prime is 15455055457.

15455055451 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 15455055451 - 2³ = 15455055443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15455055457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11645950 + ... + 11647276.

It is an arithmetic number, because the mean of its divisors is an integer number (716122008).

Almost surely, 2^15455055451 is an apocalyptic number.

15455055451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15455055451 is a deficient number, since it is larger than the sum of its proper divisors (1731872741).

15455055451 is a wasteful number, since it uses less digits than its factorization.

15455055451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 15455055451 in words is "fifteen billion, four hundred fifty-five million, fifty-five thousand, four hundred fifty-one".