122155411536 has 60 divisors (see below), whose sum is σ = 347659846560. Its totient is φ = 40028324160.

The previous prime is 122155411513. The next prime is 122155411549. The reversal of 122155411536 is 635114551221.

122155411536 is a `hidden beast` number, since 12 + 21 + 55 + 41 + 1 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 122155411536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7180500 + ... + 7197491.

It is an arithmetic number, because the mean of its divisors is an integer number (5794330776).

Almost surely, 2^122155411536 is an apocalyptic number.

122155411536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122155411536 is an abundant number, since it is smaller than the sum of its proper divisors (225504435024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122155411536 is a wasteful number, since it uses less digits than its factorization.

122155411536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14378064 (or 14378055 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

Adding to 122155411536 its reverse (635114551221), we get a palindrome (757269962757).

The spelling of 122155411536 in words is "one hundred twenty-two billion, one hundred fifty-five million, four hundred eleven thousand, five hundred thirty-six".