15004540551 has 128 divisors (see below), whose sum is σ = 27936792576. Its totient is φ = 6911930880.

The previous prime is 15004540517. The next prime is 15004540583. The reversal of 15004540551 is 15504540051.

It is not a de Polignac number, because 15004540551 - 2¹⁴ = 15004524167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15004540501) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9221400 + ... + 9223026.

It is an arithmetic number, because the mean of its divisors is an integer number (218256192).

Almost surely, 2^15004540551 is an apocalyptic number.

15004540551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15004540551 is a deficient number, since it is larger than the sum of its proper divisors (12932252025).

15004540551 is a wasteful number, since it uses less digits than its factorization.

15004540551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 10000, while the sum is 30.

It can be divided in two parts, 15004 and 540551, that added together give a palindrome (555555).

The spelling of 15004540551 in words is "fifteen billion, four million, five hundred forty thousand, five hundred fifty-one".