6111551116556 has 12 divisors (see below), whose sum is σ = 10700696381760. Its totient is φ = 3054209293200.

The previous prime is 6111551116547. The next prime is 6111551116597. The reversal of 6111551116556 is 6556111551116.

It is a super-2 number, since 2×6111551116556² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391557491 + ... + 391573098.

It is an arithmetic number, because the mean of its divisors is an integer number (891724698480).

Almost surely, 2^{6111551116556} is an apocalyptic number.

It is an amenable number.

6111551116556 is a deficient number, since it is larger than the sum of its proper divisors (4589145265204).

6111551116556 is a wasteful number, since it uses less digits than its factorization.

6111551116556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783132544 (or 783132542 counting only the distinct ones).

The product of its digits is 135000, while the sum is 44.

The spelling of 6111551116556 in words is "six trillion, one hundred eleven billion, five hundred fifty-one million, one hundred sixteen thousand, five hundred fifty-six".