56556610146111 has 16 divisors (see below), whose sum is σ = 76255338700800. Its totient is φ = 37283413683360.

The previous prime is 56556610146083. The next prime is 56556610146139. The reversal of 56556610146111 is 11164101665565.

It is an interprime number because it is at equal distance from previous prime (56556610146083) and next prime (56556610146139).

It is not a de Polignac number, because 56556610146111 - 2³⁸ = 56281732239167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56556610146181) 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, 283588335 + ... + 283787696.

It is an arithmetic number, because the mean of its divisors is an integer number (4765958668800).

Almost surely, 2^{56556610146111} is an apocalyptic number.

56556610146111 is a deficient number, since it is larger than the sum of its proper divisors (19698728554689).

56556610146111 is a wasteful number, since it uses less digits than its factorization.

56556610146111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567376406.

The product of its (nonzero) digits is 648000, while the sum is 48.

The spelling of 56556610146111 in words is "fifty-six trillion, five hundred fifty-six billion, six hundred ten million, one hundred forty-six thousand, one hundred eleven".