117855528616540 has 96 divisors (see below), whose sum is σ = 296251385363136. Its totient is φ = 38813484503040.

The previous prime is 117855528616537. The next prime is 117855528616577. The reversal of 117855528616540 is 45616825558711.

It is a super-3 number, since 3×117855528616540³ (a number of 43 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 388605277 + ... + 388908436.

It is an arithmetic number, because the mean of its divisors is an integer number (3085951930866).

Almost surely, 2^{117855528616540} is an apocalyptic number.

117855528616540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117855528616540 is an abundant number, since it is smaller than the sum of its proper divisors (178395856746596).

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

117855528616540 is a wasteful number, since it uses less digits than its factorization.

117855528616540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777513799 (or 777513797 counting only the distinct ones).

The product of its (nonzero) digits is 80640000, while the sum is 64.

The spelling of 117855528616540 in words is "one hundred seventeen trillion, eight hundred fifty-five billion, five hundred twenty-eight million, six hundred sixteen thousand, five hundred forty".