117511402 has 4 divisors (see below), whose sum is σ = 176267106. Its totient is φ = 58755700.

The previous prime is 117511399. The next prime is 117511477. The reversal of 117511402 is 204115711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204115711 = 43 ⋅4746877.

It can be written as a sum of positive squares in only one way, i.e., 94653441 + 22857961 = 9729^2 + 4781^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29377849 + ... + 29377852.

Almost surely, 2^117511402 is an apocalyptic number.

117511402 is a deficient number, since it is larger than the sum of its proper divisors (58755704).

117511402 is an equidigital number, since it uses as much as digits as its factorization.

117511402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58755703.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 117511402 is about 10840.2676166228. The cubic root of 117511402 is about 489.8088967401.

The spelling of 117511402 in words is "one hundred seventeen million, five hundred eleven thousand, four hundred two".