113890779121 has 8 divisors (see below), whose sum is σ = 133335546624. Its totient is φ = 95239675680.

The previous prime is 113890779109. The next prime is 113890779137. The reversal of 113890779121 is 121977098311.

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 113890779121 - 2¹⁵ = 113890746353 is a prime.

It is a super-2 number, since 2×113890779121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113890771121) 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, 198415705 + ... + 198416278.

It is an arithmetic number, because the mean of its divisors is an integer number (16666943328).

Almost surely, 2^113890779121 is an apocalyptic number.

It is an amenable number.

113890779121 is a deficient number, since it is larger than the sum of its proper divisors (19444767503).

113890779121 is an equidigital number, since it uses as much as digits as its factorization.

113890779121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396832031.

The product of its (nonzero) digits is 190512, while the sum is 49.

The spelling of 113890779121 in words is "one hundred thirteen billion, eight hundred ninety million, seven hundred seventy-nine thousand, one hundred twenty-one".