116345411421 has 4 divisors (see below), whose sum is σ = 155127215232. Its totient is φ = 77563607612.

The previous prime is 116345411339. The next prime is 116345411477. The reversal of 116345411421 is 124114543611.

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 116345411421 - 2¹⁰ = 116345410397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116345418421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19390901901 + ... + 19390901906.

It is an arithmetic number, because the mean of its divisors is an integer number (38781803808).

Almost surely, 2^116345411421 is an apocalyptic number.

It is an amenable number.

116345411421 is a deficient number, since it is larger than the sum of its proper divisors (38781803811).

116345411421 is an equidigital number, since it uses as much as digits as its factorization.

116345411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38781803810.

The product of its digits is 11520, while the sum is 33.

The spelling of 116345411421 in words is "one hundred sixteen billion, three hundred forty-five million, four hundred eleven thousand, four hundred twenty-one".