15005992551 has 16 divisors (see below), whose sum is σ = 22579551360. Its totient is φ = 8780935520.

The previous prime is 15005992541. The next prime is 15005992583. The reversal of 15005992551 is 15529950051.

It is not a de Polignac number, because 15005992551 - 2⁹ = 15005992039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15005992541) 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, 7839165 + ... + 7841078.

It is an arithmetic number, because the mean of its divisors is an integer number (1411221960).

Almost surely, 2^15005992551 is an apocalyptic number.

15005992551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15005992551 is a deficient number, since it is larger than the sum of its proper divisors (7573558809).

15005992551 is a wasteful number, since it uses less digits than its factorization.

15005992551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680286.

The product of its (nonzero) digits is 101250, while the sum is 42.

The spelling of 15005992551 in words is "fifteen billion, five million, nine hundred ninety-two thousand, five hundred fifty-one".