10556564625494 has 4 divisors (see below), whose sum is σ = 15834846938244. Its totient is φ = 5278282312746.

The previous prime is 10556564625413. The next prime is 10556564625569. The reversal of 10556564625494 is 49452646565501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10556564625494² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639141156372 + ... + 2639141156375.

It is an arithmetic number, because the mean of its divisors is an integer number (3958711734561).

Almost surely, 2^{10556564625494} is an apocalyptic number.

10556564625494 is a deficient number, since it is larger than the sum of its proper divisors (5278282312750).

10556564625494 is an equidigital number, since it uses as much as digits as its factorization.

10556564625494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278282312749.

The product of its (nonzero) digits is 155520000, while the sum is 62.

The spelling of 10556564625494 in words is "ten trillion, five hundred fifty-six billion, five hundred sixty-four million, six hundred twenty-five thousand, four hundred ninety-four".