15513653052 has 36 divisors (see below), whose sum is σ = 39269674080. Its totient is φ = 5164016832.

The previous prime is 15513653039. The next prime is 15513653053. The reversal of 15513653052 is 25035631551.

15513653052 is a `hidden beast` number, since 1 + 5 + 513 + 65 + 30 + 52 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 15513652998 and 15513653016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15513653053) 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, 273793 + ... + 325560.

It is an arithmetic number, because the mean of its divisors is an integer number (1090824280).

Almost surely, 2^15513653052 is an apocalyptic number.

15513653052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15513653052 is an abundant number, since it is smaller than the sum of its proper divisors (23756021028).

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

15513653052 is a wasteful number, since it uses less digits than its factorization.

15513653052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600082 (or 600077 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 15513653052 in words is "fifteen billion, five hundred thirteen million, six hundred fifty-three thousand, fifty-two".