2115401375959 has 4 divisors (see below), whose sum is σ = 2115493217280. Its totient is φ = 2115309534640.

The previous prime is 2115401375933. The next prime is 2115401375999. The reversal of 2115401375959 is 9595731045112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2115401375959 - 2⁷ = 2115401375831 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 (2115401375929) 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, 45886102 + ... + 45932179.

It is an arithmetic number, because the mean of its divisors is an integer number (528873304320).

Almost surely, 2^{2115401375959} is an apocalyptic number.

2115401375959 is a deficient number, since it is larger than the sum of its proper divisors (91841321).

2115401375959 is an equidigital number, since it uses as much as digits as its factorization.

2115401375959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91841320.

The product of its (nonzero) digits is 1701000, while the sum is 52.

The spelling of 2115401375959 in words is "two trillion, one hundred fifteen billion, four hundred one million, three hundred seventy-five thousand, nine hundred fifty-nine".