117855489401454 has 32 divisors (see below), whose sum is σ = 269384978131200. Its totient is φ = 33672871677312.

The previous prime is 117855489401413. The next prime is 117855489401519. The reversal of 117855489401454 is 454104984558711.

117855489401454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×117855489401454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6511477 + ... + 16676639.

It is an arithmetic number, because the mean of its divisors is an integer number (8418280566600).

Almost surely, 2^{117855489401454} is an apocalyptic number.

117855489401454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117855489401454 is an abundant number, since it is smaller than the sum of its proper divisors (151529488729746).

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

117855489401454 is a wasteful number, since it uses less digits than its factorization.

117855489401454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441224.

The product of its (nonzero) digits is 129024000, while the sum is 66.

The spelling of 117855489401454 in words is "one hundred seventeen trillion, eight hundred fifty-five billion, four hundred eighty-nine million, four hundred one thousand, four hundred fifty-four".