11400961858 has 32 divisors (see below), whose sum is σ = 20162846592. Its totient is φ = 4766563200.

The previous prime is 11400961801. The next prime is 11400961877. The reversal of 11400961858 is 85816900411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9435 + ... + 151297.

It is an arithmetic number, because the mean of its divisors is an integer number (630088956).

Almost surely, 2^11400961858 is an apocalyptic number.

11400961858 is a deficient number, since it is larger than the sum of its proper divisors (8761884734).

11400961858 is a wasteful number, since it uses less digits than its factorization.

11400961858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142170.

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 11400961858 in words is "eleven billion, four hundred million, nine hundred sixty-one thousand, eight hundred fifty-eight".