10456015655 has 4 divisors (see below), whose sum is σ = 12547218792. Its totient is φ = 8364812520.

The previous prime is 10456015651. The next prime is 10456015657. The reversal of 10456015655 is 55651065401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55651065401 = 70079 ⋅794119.

It is not a de Polignac number, because 10456015655 - 2² = 10456015651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10456015651) 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, 1045601561 + ... + 1045601570.

It is an arithmetic number, because the mean of its divisors is an integer number (3136804698).

Almost surely, 2^10456015655 is an apocalyptic number.

10456015655 is a deficient number, since it is larger than the sum of its proper divisors (2091203137).

10456015655 is an equidigital number, since it uses as much as digits as its factorization.

10456015655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091203136.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 10456015655 in words is "ten billion, four hundred fifty-six million, fifteen thousand, six hundred fifty-five".