6243253155 has 24 divisors (see below), whose sum is σ = 10836745920. Its totient is φ = 3325086720.

The previous prime is 6243253129. The next prime is 6243253171. The reversal of 6243253155 is 5513523426.

6243253155 is a `hidden beast` number, since 624 + 3 + 25 + 3 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 6243253155 - 2⁵ = 6243253123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64126 + ... + 128835.

It is an arithmetic number, because the mean of its divisors is an integer number (451531080).

Almost surely, 2^6243253155 is an apocalyptic number.

6243253155 is a deficient number, since it is larger than the sum of its proper divisors (4593492765).

6243253155 is a wasteful number, since it uses less digits than its factorization.

6243253155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193691 (or 193688 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 6243253155 is about 79014.2591878200. The cubic root of 6243253155 is about 1841.3526949550.

The spelling of 6243253155 in words is "six billion, two hundred forty-three million, two hundred fifty-three thousand, one hundred fifty-five".