15500476056001 has 4 divisors (see below), whose sum is σ = 15503336455600. Its totient is φ = 15497615656404.

The previous prime is 15500476055993. The next prime is 15500476056011. The reversal of 15500476056001 is 10065067400551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15500476056001 - 2³ = 15500476055993 is a prime.

It is a super-2 number, since 2×15500476056001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15500476056011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430191671 + ... + 1430202508.

It is an arithmetic number, because the mean of its divisors is an integer number (3875834113900).

Almost surely, 2^{15500476056001} is an apocalyptic number.

It is an amenable number.

15500476056001 is a deficient number, since it is larger than the sum of its proper divisors (2860399599).

15500476056001 is an equidigital number, since it uses as much as digits as its factorization.

15500476056001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860399598.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 15500476056001 in words is "fifteen trillion, five hundred billion, four hundred seventy-six million, fifty-six thousand, one".