122055560015 has 4 divisors (see below), whose sum is σ = 146466672024. Its totient is φ = 97644448008.

The previous prime is 122055559973. The next prime is 122055560041. The reversal of 122055560015 is 510065550221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122055560015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12205555997 + ... + 12205556006.

It is an arithmetic number, because the mean of its divisors is an integer number (36616668006).

Almost surely, 2^122055560015 is an apocalyptic number.

122055560015 is a deficient number, since it is larger than the sum of its proper divisors (24411112009).

122055560015 is an equidigital number, since it uses as much as digits as its factorization.

122055560015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24411112008.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 122055560015 in words is "one hundred twenty-two billion, fifty-five million, five hundred sixty thousand, fifteen".