42553155015 has 72 divisors (see below), whose sum is σ = 86078330208. Its totient is φ = 19390008960.

The previous prime is 42553155013. The next prime is 42553155031. The reversal of 42553155015 is 51055135524.

42553155015 is a `hidden beast` number, since 42 + 5 + 53 + 1 + 550 + 15 = 666.

It is not a de Polignac number, because 42553155015 - 2¹ = 42553155013 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42553155013) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 654729 + ... + 716781.

It is an arithmetic number, because the mean of its divisors is an integer number (1195532364).

Almost surely, 2^42553155015 is an apocalyptic number.

42553155015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42553155015 is an abundant number, since it is smaller than the sum of its proper divisors (43525175193).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42553155015 is a wasteful number, since it uses less digits than its factorization.

42553155015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62389 (or 62379 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 42553155015 in words is "forty-two billion, five hundred fifty-three million, one hundred fifty-five thousand, fifteen".