401113778889599 has 8 divisors (see below), whose sum is σ = 415401639679488. Its totient is φ = 386910212264280.

The previous prime is 401113778889581. The next prime is 401113778889617. The reversal of 401113778889599 is 995988877311104.

It is an interprime number because it is at equal distance from previous prime (401113778889581) and next prime (401113778889617).

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 401113778889599 - 2⁴⁰ = 400014267261823 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 (401113778883599) 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, 21073531457 + ... + 21073550490.

It is an arithmetic number, because the mean of its divisors is an integer number (51925204959936).

Almost surely, 2^{401113778889599} is an apocalyptic number.

401113778889599 is a deficient number, since it is larger than the sum of its proper divisors (14287860789889).

401113778889599 is a wasteful number, since it uses less digits than its factorization.

401113778889599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42147082285.

The product of its (nonzero) digits is 1097349120, while the sum is 80.

The spelling of 401113778889599 in words is "four hundred one trillion, one hundred thirteen billion, seven hundred seventy-eight million, eight hundred eighty-nine thousand, five hundred ninety-nine".