117240661154 has 8 divisors (see below), whose sum is σ = 175863303468. Its totient is φ = 58619560000.

The previous prime is 117240661133. The next prime is 117240661189. The reversal of 117240661154 is 451166042711.

It can be written as a sum of positive squares in 2 ways, for example, as 109570930225 + 7669730929 = 331015^2 + 87577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×117240661154² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171347 + ... + 513654.

Almost surely, 2^117240661154 is an apocalyptic number.

117240661154 is a deficient number, since it is larger than the sum of its proper divisors (58622642314).

117240661154 is an equidigital number, since it uses as much as digits as its factorization.

117240661154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770580.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 117240661154 in words is "one hundred seventeen billion, two hundred forty million, six hundred sixty-one thousand, one hundred fifty-four".