11400961859 has 6 divisors (see below), whose sum is σ = 13262343444. Its totient is φ = 9772252980.

The previous prime is 11400961801. The next prime is 11400961877. The reversal of 11400961859 is 95816900411.

It is not a de Polignac number, because 11400961859 - 2²⁸ = 11132526403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11400964859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116336297 + ... + 116336394.

It is an arithmetic number, because the mean of its divisors is an integer number (2210390574).

Almost surely, 2^11400961859 is an apocalyptic number.

11400961859 is a deficient number, since it is larger than the sum of its proper divisors (1861381585).

11400961859 is an equidigital number, since it uses as much as digits as its factorization.

11400961859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232672705 (or 232672698 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 11400961859 in words is "eleven billion, four hundred million, nine hundred sixty-one thousand, eight hundred fifty-nine".