122553004335520 has 96 divisors (see below), whose sum is σ = 323556235805376. Its totient is φ = 43477784217600.

The previous prime is 122553004335473. The next prime is 122553004335569. The reversal of 122553004335520 is 25533400355221.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849103314 + ... + 849247633.

It is an arithmetic number, because the mean of its divisors is an integer number (3370377456306).

Almost surely, 2^{122553004335520} is an apocalyptic number.

122553004335520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122553004335520 is an abundant number, since it is smaller than the sum of its proper divisors (201003231469856).

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

122553004335520 is a wasteful number, since it uses less digits than its factorization.

122553004335520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698351014 (or 1698351006 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 122553004335520 in words is "one hundred twenty-two trillion, five hundred fifty-three billion, four million, three hundred thirty-five thousand, five hundred twenty".