117072153261478 has 16 divisors (see below), whose sum is σ = 175664599658496. Its totient is φ = 58517289343240.

The previous prime is 117072153261409. The next prime is 117072153261559. The reversal of 117072153261478 is 874162351270711.

It is a super-3 number, since 3×117072153261478³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89202843 + ... + 90505753.

It is an arithmetic number, because the mean of its divisors is an integer number (10979037478656).

Almost surely, 2^{117072153261478} is an apocalyptic number.

117072153261478 is a deficient number, since it is larger than the sum of its proper divisors (58592446397018).

117072153261478 is a wasteful number, since it uses less digits than its factorization.

117072153261478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317299.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 117072153261478 in words is "one hundred seventeen trillion, seventy-two billion, one hundred fifty-three million, two hundred sixty-one thousand, four hundred seventy-eight".