117721416254 has 16 divisors (see below), whose sum is σ = 190172994480. Its totient is φ = 54330781440.

The previous prime is 117721416251. The next prime is 117721416257. The reversal of 117721416254 is 452614127711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117721416251) and next prime (117721416257).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117721416251) 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, 699374 + ... + 851214.

It is an arithmetic number, because the mean of its divisors is an integer number (11885812155).

Almost surely, 2^117721416254 is an apocalyptic number.

117721416254 is a deficient number, since it is larger than the sum of its proper divisors (72451578226).

117721416254 is a wasteful number, since it uses less digits than its factorization.

117721416254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181675.

The product of its digits is 94080, while the sum is 41.

The spelling of 117721416254 in words is "one hundred seventeen billion, seven hundred twenty-one million, four hundred sixteen thousand, two hundred fifty-four".