117725103561 has 8 divisors (see below), whose sum is σ = 169041174400. Its totient is φ = 72446217552.

The previous prime is 117725103527. The next prime is 117725103563. The reversal of 117725103561 is 165301527711.

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

It is not a de Polignac number, because 117725103561 - 2¹¹ = 117725101513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3018592399 = 117725103561 / (1 + 1 + 7 + 7 + 2 + 5 + 1 + 0 + 3 + 5 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117725103563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509296161 + ... + 1509296238.

It is an arithmetic number, because the mean of its divisors is an integer number (21130146800).

Almost surely, 2^117725103561 is an apocalyptic number.

It is an amenable number.

117725103561 is a deficient number, since it is larger than the sum of its proper divisors (51316070839).

117725103561 is a wasteful number, since it uses less digits than its factorization.

117725103561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018592415.

The product of its (nonzero) digits is 44100, while the sum is 39.

The spelling of 117725103561 in words is "one hundred seventeen billion, seven hundred twenty-five million, one hundred three thousand, five hundred sixty-one".