6122815545 has 64 divisors (see below), whose sum is σ = 12261943296. Its totient is φ = 2534522880.

The previous prime is 6122815541. The next prime is 6122815553. The reversal of 6122815545 is 5455182216.

It is not a de Polignac number, because 6122815545 - 2² = 6122815541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6122815541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 286522 + ... + 307148.

It is an arithmetic number, because the mean of its divisors is an integer number (191592864).

Almost surely, 2^6122815545 is an apocalyptic number.

It is an amenable number.

6122815545 is an abundant number, since it is smaller than the sum of its proper divisors (6139127751).

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

6122815545 is a wasteful number, since it uses less digits than its factorization.

6122815545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20910.

The product of its digits is 96000, while the sum is 39.

The square root of 6122815545 is about 78248.4219968684. The cubic root of 6122815545 is about 1829.4353165316.

The spelling of 6122815545 in words is "six billion, one hundred twenty-two million, eight hundred fifteen thousand, five hundred forty-five".