15555002055043 has 8 divisors (see below), whose sum is σ = 16974391064256. Its totient is φ = 14136496031400.

The previous prime is 15555002055031. The next prime is 15555002055083. The reversal of 15555002055043 is 34055020055551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15555002055043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15555002054987 and 15555002055005.

It is not an unprimeable number, because it can be changed into a prime (15555002055023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220709553 + ... + 220780018.

It is an arithmetic number, because the mean of its divisors is an integer number (2121798883032).

Almost surely, 2^{15555002055043} is an apocalyptic number.

15555002055043 is a deficient number, since it is larger than the sum of its proper divisors (1419389009213).

15555002055043 is a wasteful number, since it uses less digits than its factorization.

15555002055043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441492785.

The product of its (nonzero) digits is 375000, while the sum is 40.

The spelling of 15555002055043 in words is "fifteen trillion, five hundred fifty-five billion, two million, fifty-five thousand, forty-three".