11661762425104 has 160 divisors (see below), whose sum is σ = 25691487782400. Its totient is φ = 5081428961280.

The previous prime is 11661762425029. The next prime is 11661762425123. The reversal of 11661762425104 is 40152426716611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276369832 + ... + 276412024.

It is an arithmetic number, because the mean of its divisors is an integer number (160571798640).

Almost surely, 2^{11661762425104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11661762425104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12845743891200).

11661762425104 is an abundant number, since it is smaller than the sum of its proper divisors (14029725357296).

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

11661762425104 is a wasteful number, since it uses less digits than its factorization.

11661762425104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42933 (or 42927 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 11661762425104 in words is "eleven trillion, six hundred sixty-one billion, seven hundred sixty-two million, four hundred twenty-five thousand, one hundred four".