15005540052 has 36 divisors (see below), whose sum is σ = 37986268320. Its totient is φ = 4994515152.

The previous prime is 15005540051. The next prime is 15005540089. The reversal of 15005540052 is 25004550051.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 15005539998 and 15005540025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15005540051) 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, 280552 + ... + 329727.

It is an arithmetic number, because the mean of its divisors is an integer number (1055174120).

Almost surely, 2^15005540052 is an apocalyptic number.

15005540052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15005540052 is an abundant number, since it is smaller than the sum of its proper divisors (22980728268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15005540052 is a wasteful number, since it uses less digits than its factorization.

15005540052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610972 (or 610967 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

Subtracting 15005540052 from its reverse (25004550051), we obtain a palindrome (9999009999).

The spelling of 15005540052 in words is "fifteen billion, five million, five hundred forty thousand, fifty-two".