6242156155 has 4 divisors (see below), whose sum is σ = 7490587392. Its totient is φ = 4993724920.

The previous prime is 6242156131. The next prime is 6242156161. The reversal of 6242156155 is 5516512426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5516512426 = 2 ⋅2758256213.

It is not a de Polignac number, because 6242156155 - 2⁹ = 6242155643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624215611 + ... + 624215620.

It is an arithmetic number, because the mean of its divisors is an integer number (1872646848).

Almost surely, 2^6242156155 is an apocalyptic number.

6242156155 is a deficient number, since it is larger than the sum of its proper divisors (1248431237).

6242156155 is a wasteful number, since it uses less digits than its factorization.

6242156155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248431236.

The product of its digits is 72000, while the sum is 37.

The square root of 6242156155 is about 79007.3170978486. The cubic root of 6242156155 is about 1841.2448408082.

The spelling of 6242156155 in words is "six billion, two hundred forty-two million, one hundred fifty-six thousand, one hundred fifty-five".