11956837862 has 16 divisors (see below), whose sum is σ = 18214709760. Its totient is φ = 5885704968.

The previous prime is 11956837853. The next prime is 11956837909. The reversal of 11956837862 is 26873865911.

It is a junction number, because it is equal to n+sod(n) for n = 11956837798 and 11956837807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54218 + ... + 163869.

It is an arithmetic number, because the mean of its divisors is an integer number (1138419360).

Almost surely, 2^11956837862 is an apocalyptic number.

11956837862 is a deficient number, since it is larger than the sum of its proper divisors (6257871898).

11956837862 is a wasteful number, since it uses less digits than its factorization.

11956837862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218515.

The product of its digits is 4354560, while the sum is 56.

The spelling of 11956837862 in words is "eleven billion, nine hundred fifty-six million, eight hundred thirty-seven thousand, eight hundred sixty-two".