42515193155 has 24 divisors (see below), whose sum is σ = 57048287280. Its totient is φ = 30326607360.

The previous prime is 42515193151. The next prime is 42515193167. The reversal of 42515193155 is 55139151524.

42515193155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42515193155 - 2² = 42515193151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42515193151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746816 + ... + 801725.

It is an arithmetic number, because the mean of its divisors is an integer number (2377011970).

Almost surely, 2^42515193155 is an apocalyptic number.

42515193155 is a deficient number, since it is larger than the sum of its proper divisors (14533094125).

42515193155 is a wasteful number, since it uses less digits than its factorization.

42515193155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548599 (or 1548582 counting only the distinct ones).

The product of its digits is 135000, while the sum is 41.

The spelling of 42515193155 in words is "forty-two billion, five hundred fifteen million, one hundred ninety-three thousand, one hundred fifty-five".