6111355557464 has 64 divisors (see below), whose sum is σ = 11866280976000. Its totient is φ = 2948775540480.

The previous prime is 6111355557413. The next prime is 6111355557473. The reversal of 6111355557464 is 4647555531116.

It is a super-2 number, since 2×6111355557464² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 39447947 + ... + 39602565.

It is an arithmetic number, because the mean of its divisors is an integer number (185410640250).

Almost surely, 2^{6111355557464} is an apocalyptic number.

It is an amenable number.

6111355557464 is a deficient number, since it is larger than the sum of its proper divisors (5754925418536).

6111355557464 is a wasteful number, since it uses less digits than its factorization.

6111355557464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156048 (or 156044 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 53.

The spelling of 6111355557464 in words is "six trillion, one hundred eleven billion, three hundred fifty-five million, five hundred fifty-seven thousand, four hundred sixty-four".