6115115149 has 32 divisors (see below), whose sum is σ = 7470812160. Its totient is φ = 4929292800.

The previous prime is 6115115147. The next prime is 6115115161. The reversal of 6115115149 is 9415115116.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6115115149 - 2¹ = 6115115147 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 (6115115147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602287 + ... + 612355.

It is an arithmetic number, because the mean of its divisors is an integer number (233462880).

Almost surely, 2^6115115149 is an apocalyptic number.

It is an amenable number.

6115115149 is a deficient number, since it is larger than the sum of its proper divisors (1355697011).

6115115149 is a wasteful number, since it uses less digits than its factorization.

6115115149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261.

The product of its digits is 5400, while the sum is 34.

The square root of 6115115149 is about 78199.2017158743. The cubic root of 6115115149 is about 1828.6680613306.

The spelling of 6115115149 in words is "six billion, one hundred fifteen million, one hundred fifteen thousand, one hundred forty-nine".