15553400515053 has 16 divisors (see below), whose sum is σ = 20766722932032. Its totient is φ = 10354509936000.

The previous prime is 15553400515049. The next prime is 15553400515087. The reversal of 15553400515053 is 35051500435551.

It is not a de Polignac number, because 15553400515053 - 2² = 15553400515049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15553400514996 and 15553400515014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15553400515043) 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, 14973823 + ... + 15978803.

It is an arithmetic number, because the mean of its divisors is an integer number (1297920183252).

Almost surely, 2^{15553400515053} is an apocalyptic number.

It is an amenable number.

15553400515053 is a deficient number, since it is larger than the sum of its proper divisors (5213322416979).

15553400515053 is a wasteful number, since it uses less digits than its factorization.

15553400515053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012156.

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 15553400515053 in words is "fifteen trillion, five hundred fifty-three billion, four hundred million, five hundred fifteen thousand, fifty-three".