6116115515550 has 96 divisors (see below), whose sum is σ = 15387716551680. Its totient is φ = 1607353372800.

The previous prime is 6116115515513. The next prime is 6116115515611. The reversal of 6116115515550 is 555155116116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26970036 + ... + 27195864.

It is an arithmetic number, because the mean of its divisors is an integer number (160288714080).

Almost surely, 2^{6116115515550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6116115515550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7693858275840).

6116115515550 is an abundant number, since it is smaller than the sum of its proper divisors (9271601036130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6116115515550 is a wasteful number, since it uses less digits than its factorization.

6116115515550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228458 (or 228453 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 42.

The spelling of 6116115515550 in words is "six trillion, one hundred sixteen billion, one hundred fifteen million, five hundred fifteen thousand, five hundred fifty".