60121177056 has 72 divisors (see below), whose sum is σ = 171486393624. Its totient is φ = 19979815680.

The previous prime is 60121177033. The next prime is 60121177091. The reversal of 60121177056 is 65077112106.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×60121177056² (a number of 22 digits) contains 22 as substring.

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 60121177056.

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, 220011 + ... + 410666.

It is an arithmetic number, because the mean of its divisors is an integer number (2381755467).

Almost surely, 2^60121177056 is an apocalyptic number.

It is an amenable number.

60121177056 is an abundant number, since it is smaller than the sum of its proper divisors (111365216568).

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

60121177056 is a wasteful number, since it uses less digits than its factorization.

60121177056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631024 (or 631013 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 60121177056 in words is "sixty billion, one hundred twenty-one million, one hundred seventy-seven thousand, fifty-six".