461121090756 has 12 divisors (see below), whose sum is σ = 1075949211792. Its totient is φ = 153707030248.

The previous prime is 461121090751. The next prime is 461121090757. The reversal of 461121090756 is 657090121164.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (461121090751) 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, 19213378770 + ... + 19213378793.

It is an arithmetic number, because the mean of its divisors is an integer number (89662434316).

Almost surely, 2^461121090756 is an apocalyptic number.

It is an amenable number.

461121090756 is an abundant number, since it is smaller than the sum of its proper divisors (614828121036).

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

461121090756 is a wasteful number, since it uses less digits than its factorization.

461121090756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38426757570 (or 38426757568 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 461121090756 in words is "four hundred sixty-one billion, one hundred twenty-one million, ninety thousand, seven hundred fifty-six".