10908372117721 has 8 divisors (see below), whose sum is σ = 11747996611904. Its totient is φ = 10068821758800.

The previous prime is 10908372117703. The next prime is 10908372117733. The reversal of 10908372117721 is 12771127380901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10908372117721 - 2²³ = 10908363729113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10908372117121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18228021 + ... + 18816946.

It is an arithmetic number, because the mean of its divisors is an integer number (1468499576488).

Almost surely, 2^{10908372117721} is an apocalyptic number.

It is an amenable number.

10908372117721 is a deficient number, since it is larger than the sum of its proper divisors (839624494183).

10908372117721 is a wasteful number, since it uses less digits than its factorization.

10908372117721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37067631.

The product of its (nonzero) digits is 296352, while the sum is 49.

The spelling of 10908372117721 in words is "ten trillion, nine hundred eight billion, three hundred seventy-two million, one hundred seventeen thousand, seven hundred twenty-one".