122615625011 has 4 divisors (see below), whose sum is σ = 133762500024. Its totient is φ = 111468750000.

The previous prime is 122615624987. The next prime is 122615625053. The reversal of 122615625011 is 110526516221.

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

It is a cyclic number.

It is not a de Polignac number, because 122615625011 - 2¹⁰ = 122615623987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122615625091) 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, 5573437490 + ... + 5573437511.

It is an arithmetic number, because the mean of its divisors is an integer number (33440625006).

Almost surely, 2^122615625011 is an apocalyptic number.

122615625011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122615625011 is a deficient number, since it is larger than the sum of its proper divisors (11146875013).

122615625011 is a wasteful number, since it uses less digits than its factorization.

122615625011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146875012.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 122615625011 in words is "one hundred twenty-two billion, six hundred fifteen million, six hundred twenty-five thousand, eleven".