113661650145 has 8 divisors (see below), whose sum is σ = 181858640256. Its totient is φ = 60619546736.

The previous prime is 113661650119. The next prime is 113661650149. The reversal of 113661650145 is 541056166311.

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

It is a cyclic number.

It is not a de Polignac number, because 113661650145 - 2²⁰ = 113660601569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113661650149) 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, 3788721657 + ... + 3788721686.

It is an arithmetic number, because the mean of its divisors is an integer number (22732330032).

Almost surely, 2^113661650145 is an apocalyptic number.

113661650145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113661650145 is a deficient number, since it is larger than the sum of its proper divisors (68196990111).

113661650145 is an equidigital number, since it uses as much as digits as its factorization.

113661650145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577443351.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 113661650145 in words is "one hundred thirteen billion, six hundred sixty-one million, six hundred fifty thousand, one hundred forty-five".