117721708741 has 32 divisors (see below), whose sum is σ = 147619987200. Its totient is φ = 91392261120.

The previous prime is 117721708739. The next prime is 117721708759. The reversal of 117721708741 is 147807127711.

It is a cyclic number.

It is not a de Polignac number, because 117721708741 - 2¹ = 117721708739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117721708691 and 117721708700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117721700741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2884365 + ... + 2924893.

It is an arithmetic number, because the mean of its divisors is an integer number (4613124600).

Almost surely, 2^117721708741 is an apocalyptic number.

It is an amenable number.

117721708741 is a deficient number, since it is larger than the sum of its proper divisors (29898278459).

117721708741 is a wasteful number, since it uses less digits than its factorization.

117721708741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41149.

The product of its (nonzero) digits is 153664, while the sum is 46.

The spelling of 117721708741 in words is "one hundred seventeen billion, seven hundred twenty-one million, seven hundred eight thousand, seven hundred forty-one".