15501564053 has 16 divisors (see below), whose sum is σ = 16614823680. Its totient is φ = 14411020800.

The previous prime is 15501564047. The next prime is 15501564077. The reversal of 15501564053 is 35046510551.

It is a cyclic number.

It is not a de Polignac number, because 15501564053 - 2¹⁴ = 15501547669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15501564553) 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, 1645988 + ... + 1655378.

It is an arithmetic number, because the mean of its divisors is an integer number (1038426480).

Almost surely, 2^15501564053 is an apocalyptic number.

It is an amenable number.

15501564053 is a deficient number, since it is larger than the sum of its proper divisors (1113259627).

15501564053 is a wasteful number, since it uses less digits than its factorization.

15501564053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 15501564053 in words is "fifteen billion, five hundred one million, five hundred sixty-four thousand, fifty-three".