113135021555 has 8 divisors (see below), whose sum is σ = 135765504000. Its totient is φ = 90505698496.

The previous prime is 113135021543. The next prime is 113135021557. The reversal of 113135021555 is 555120531311.

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 113135021555 - 2¹⁴ = 113135005171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113135021557) 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, 58355 + ... + 479244.

It is an arithmetic number, because the mean of its divisors is an integer number (16970688000).

Almost surely, 2^113135021555 is an apocalyptic number.

113135021555 is a deficient number, since it is larger than the sum of its proper divisors (22630482445).

113135021555 is an equidigital number, since it uses as much as digits as its factorization.

113135021555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579693.

The product of its (nonzero) digits is 11250, while the sum is 32.

Adding to 113135021555 its reverse (555120531311), we get a palindrome (668255552866).

The spelling of 113135021555 in words is "one hundred thirteen billion, one hundred thirty-five million, twenty-one thousand, five hundred fifty-five".