120011715661650 has 48 divisors (see below), whose sum is σ = 297632627328384. Its totient is φ = 32002740038080.

The previous prime is 120011715661627. The next prime is 120011715661657. The reversal of 120011715661650 is 56166517110021.

It is not an unprimeable number, because it can be changed into a prime (120011715661657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7847344 + ... + 17366756.

It is an arithmetic number, because the mean of its divisors is an integer number (6200679736008).

Almost surely, 2^{120011715661650} is an apocalyptic number.

120011715661650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120011715661650 is an abundant number, since it is smaller than the sum of its proper divisors (177620911666734).

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

120011715661650 is a wasteful number, since it uses less digits than its factorization.

120011715661650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603475 (or 9603470 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 120011715661650 in words is "one hundred twenty trillion, eleven billion, seven hundred fifteen million, six hundred sixty-one thousand, six hundred fifty".