42015513025255 has 24 divisors (see below), whose sum is σ = 63982065108240. Its totient is φ = 26191488637440.

The previous prime is 42015513025237. The next prime is 42015513025259. The reversal of 42015513025255 is 55252031551024.

It is not a de Polignac number, because 42015513025255 - 2⁵ = 42015513025223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42015513025259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7795083210 + ... + 7795088599.

It is an arithmetic number, because the mean of its divisors is an integer number (2665919379510).

Almost surely, 2^{42015513025255} is an apocalyptic number.

42015513025255 is a deficient number, since it is larger than the sum of its proper divisors (21966552082985).

42015513025255 is a wasteful number, since it uses less digits than its factorization.

42015513025255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15590171839 (or 15590171832 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

Adding to 42015513025255 its reverse (55252031551024), we get a palindrome (97267544576279).

The spelling of 42015513025255 in words is "forty-two trillion, fifteen billion, five hundred thirteen million, twenty-five thousand, two hundred fifty-five".