6151022155 has 4 divisors (see below), whose sum is σ = 7381226592. Its totient is φ = 4920817720.

The previous prime is 6151022153. The next prime is 6151022179. The reversal of 6151022155 is 5512201516.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6151022155 - 2¹ = 6151022153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6151022153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615102211 + ... + 615102220.

It is an arithmetic number, because the mean of its divisors is an integer number (1845306648).

Almost surely, 2^6151022155 is an apocalyptic number.

6151022155 is a deficient number, since it is larger than the sum of its proper divisors (1230204437).

6151022155 is a wasteful number, since it uses less digits than its factorization.

6151022155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230204436.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 6151022155 is about 78428.4524582756. The cubic root of 6151022155 is about 1832.2402967971.

The spelling of 6151022155 in words is "six billion, one hundred fifty-one million, twenty-two thousand, one hundred fifty-five".