11400961857 has 8 divisors (see below), whose sum is σ = 15201817440. Its totient is φ = 7600373760.

The previous prime is 11400961801. The next prime is 11400961877. The reversal of 11400961857 is 75816900411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11400961857 - 2¹⁰ = 11400960833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11400961877) 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, 76494 + ... + 169272.

It is an arithmetic number, because the mean of its divisors is an integer number (1900227180).

Almost surely, 2^11400961857 is an apocalyptic number.

It is an amenable number.

11400961857 is a deficient number, since it is larger than the sum of its proper divisors (3800855583).

11400961857 is an equidigital number, since it uses as much as digits as its factorization.

11400961857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133743.

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 11400961857 in words is "eleven billion, four hundred million, nine hundred sixty-one thousand, eight hundred fifty-seven".