6155551011 has 16 divisors (see below), whose sum is σ = 8646531840. Its totient is φ = 3884493600.

The previous prime is 6155551001. The next prime is 6155551067. The reversal of 6155551011 is 1101555516.

It is not a de Polignac number, because 6155551011 - 2⁵ = 6155550979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6155551011.

It is not an unprimeable number, because it can be changed into a prime (6155551001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25561 + ... + 113861.

It is an arithmetic number, because the mean of its divisors is an integer number (540408240).

Almost surely, 2^6155551011 is an apocalyptic number.

6155551011 is a deficient number, since it is larger than the sum of its proper divisors (2490980829).

6155551011 is a wasteful number, since it uses less digits than its factorization.

6155551011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89546.

The product of its (nonzero) digits is 3750, while the sum is 30.

The square root of 6155551011 is about 78457.3196776438. The cubic root of 6155551011 is about 1832.6898652621.

The spelling of 6155551011 in words is "six billion, one hundred fifty-five million, five hundred fifty-one thousand, eleven".