113554160261 has 4 divisors (see below), whose sum is σ = 115970206272. Its totient is φ = 111138114252.

The previous prime is 113554160243. The next prime is 113554160287. The reversal of 113554160261 is 162061455311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113554160261 - 2¹⁰ = 113554159237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113554160201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208022935 + ... + 1208023028.

It is an arithmetic number, because the mean of its divisors is an integer number (28992551568).

Almost surely, 2^113554160261 is an apocalyptic number.

It is an amenable number.

113554160261 is a deficient number, since it is larger than the sum of its proper divisors (2416046011).

113554160261 is an equidigital number, since it uses as much as digits as its factorization.

113554160261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416046010.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 113554160261 in words is "one hundred thirteen billion, five hundred fifty-four million, one hundred sixty thousand, two hundred sixty-one".