117155552 has 12 divisors (see below), whose sum is σ = 230650056. Its totient is φ = 58577760.

The previous prime is 117155531. The next prime is 117155569. The reversal of 117155552 is 255551711.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 3661111 = 117155552 / (1 + 1 + 7 + 1 + 5 + 5 + 5 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830524 + ... + 1830587.

It is an arithmetic number, because the mean of its divisors is an integer number (19220838).

Almost surely, 2^117155552 is an apocalyptic number.

It is an amenable number.

117155552 is a deficient number, since it is larger than the sum of its proper divisors (113494504).

117155552 is an equidigital number, since it uses as much as digits as its factorization.

117155552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661121 (or 3661113 counting only the distinct ones).

The product of its digits is 8750, while the sum is 32.

The square root of 117155552 is about 10823.8418318081. The cubic root of 117155552 is about 489.3139809918.

The spelling of 117155552 in words is "one hundred seventeen million, one hundred fifty-five thousand, five hundred fifty-two".