6155005065551 has 8 divisors (see below), whose sum is σ = 6860067565680. Its totient is φ = 5488054051968.

The previous prime is 6155005065527. The next prime is 6155005065553. The reversal of 6155005065551 is 1555605005516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6155005065551 - 2³⁴ = 6137825196367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155005065553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9527871296 + ... + 9527871941.

It is an arithmetic number, because the mean of its divisors is an integer number (857508445710).

Almost surely, 2^{6155005065551} is an apocalyptic number.

6155005065551 is a deficient number, since it is larger than the sum of its proper divisors (705062500129).

6155005065551 is a wasteful number, since it uses less digits than its factorization.

6155005065551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19055743273.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 6155005065551 in words is "six trillion, one hundred fifty-five billion, five million, sixty-five thousand, five hundred fifty-one".