113653554661 has 8 divisors (see below), whose sum is σ = 115345944000. Its totient is φ = 111963710880.

The previous prime is 113653554649. The next prime is 113653554701. The reversal of 113653554661 is 166455356311.

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 113653554661 - 2⁹ = 113653554149 is a prime.

It is a super-3 number, since 3×113653554661³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113653554601) 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, 546336 + ... + 725113.

It is an arithmetic number, because the mean of its divisors is an integer number (14418243000).

Almost surely, 2^113653554661 is an apocalyptic number.

It is an amenable number.

113653554661 is a deficient number, since it is larger than the sum of its proper divisors (1692389339).

113653554661 is a wasteful number, since it uses less digits than its factorization.

113653554661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272779.

The product of its digits is 972000, while the sum is 46.

It can be divided in two parts, 1136535 and 54661, that added together give a triangular number (1191196 = T₁₅₄₃).

The spelling of 113653554661 in words is "one hundred thirteen billion, six hundred fifty-three million, five hundred fifty-four thousand, six hundred sixty-one".