117966701551 has 4 divisors (see below), whose sum is σ = 118029753504. Its totient is φ = 117903649600.

The previous prime is 117966701527. The next prime is 117966701557. The reversal of 117966701551 is 155107669711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117966701551 - 2¹¹ = 117966699503 is a prime.

It is a super-2 number, since 2×117966701551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117966701495 and 117966701504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117966701557) 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, 31523170 + ... + 31526911.

It is an arithmetic number, because the mean of its divisors is an integer number (29507438376).

Almost surely, 2^117966701551 is an apocalyptic number.

117966701551 is a deficient number, since it is larger than the sum of its proper divisors (63051953).

117966701551 is an equidigital number, since it uses as much as digits as its factorization.

117966701551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63051952.

The product of its (nonzero) digits is 396900, while the sum is 49.

The spelling of 117966701551 in words is "one hundred seventeen billion, nine hundred sixty-six million, seven hundred one thousand, five hundred fifty-one".