556143525341655 has 128 divisors (see below), whose sum is σ = 947088405669888. Its totient is φ = 278344862687232.

The previous prime is 556143525341641. The next prime is 556143525341743.

556143525341655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556143525341655 - 2⁵ = 556143525341623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 371139454 + ... + 372634916.

It is an arithmetic number, because the mean of its divisors is an integer number (7399128169296).

Almost surely, 2^{556143525341655} is an apocalyptic number.

556143525341655 is a deficient number, since it is larger than the sum of its proper divisors (390944880328233).

556143525341655 is a wasteful number, since it uses less digits than its factorization.

556143525341655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495785.

The product of its digits is 162000000, while the sum is 60.

Subtracting from 556143525341655 its product of digits (162000000), we obtain a palindrome (556143363341655).

The spelling of 556143525341655 in words is "five hundred fifty-six trillion, one hundred forty-three billion, five hundred twenty-five million, three hundred forty-one thousand, six hundred fifty-five".