117557061 has 16 divisors (see below), whose sum is σ = 159936000. Its totient is φ = 76787568.

The previous prime is 117557051. The next prime is 117557081. The reversal of 117557061 is 160755711.

It is not a de Polignac number, because 117557061 - 2¹⁵ = 117524293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117557051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38530 + ... + 41468.

It is an arithmetic number, because the mean of its divisors is an integer number (9996000).

Almost surely, 2^117557061 is an apocalyptic number.

It is an amenable number.

117557061 is a deficient number, since it is larger than the sum of its proper divisors (42378939).

117557061 is a wasteful number, since it uses less digits than its factorization.

117557061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208.

The product of its (nonzero) digits is 7350, while the sum is 33.

The square root of 117557061 is about 10842.3734025351. The cubic root of 117557061 is about 489.8723268644.

The spelling of 117557061 in words is "one hundred seventeen million, five hundred fifty-seven thousand, sixty-one".