15534552451 has 12 divisors (see below), whose sum is σ = 18079593336. Its totient is φ = 13291593920.

The previous prime is 15534552419. The next prime is 15534552457. The reversal of 15534552451 is 15425543551.

It is not a de Polignac number, because 15534552451 - 2⁵ = 15534552419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15534552457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3773965 + ... + 3778078.

It is an arithmetic number, because the mean of its divisors is an integer number (1506632778).

Almost surely, 2^15534552451 is an apocalyptic number.

15534552451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15534552451 is a deficient number, since it is larger than the sum of its proper divisors (2545040885).

15534552451 is a wasteful number, since it uses less digits than its factorization.

15534552451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552082 (or 7552071 counting only the distinct ones).

The product of its digits is 300000, while the sum is 40.

The spelling of 15534552451 in words is "fifteen billion, five hundred thirty-four million, five hundred fifty-two thousand, four hundred fifty-one".