11117861837654 has 128 divisors (see below), whose sum is σ = 20769854474880. Its totient is φ = 4392518860800.

The previous prime is 11117861837603. The next prime is 11117861837701. The reversal of 11117861837654 is 45673816871111.

It is a junction number, because it is equal to n+sod(n) for n = 11117861837593 and 11117861837602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1434003842 + ... + 1434011594.

It is an arithmetic number, because the mean of its divisors is an integer number (162264488085).

Almost surely, 2^{11117861837654} is an apocalyptic number.

11117861837654 is a deficient number, since it is larger than the sum of its proper divisors (9651992637226).

11117861837654 is a wasteful number, since it uses less digits than its factorization.

11117861837654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12066.

The product of its digits is 6773760, while the sum is 59.

The spelling of 11117861837654 in words is "eleven trillion, one hundred seventeen billion, eight hundred sixty-one million, eight hundred thirty-seven thousand, six hundred fifty-four".