42512515180005 has 32 divisors (see below), whose sum is σ = 73718909276544. Its totient is φ = 20795930977536.

The previous prime is 42512515179983. The next prime is 42512515180007. The reversal of 42512515180005 is 50008151521524.

It is not a de Polignac number, because 42512515180005 - 2¹⁶ = 42512515114469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42512515180007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694277979 + ... + 694339208.

It is an arithmetic number, because the mean of its divisors is an integer number (2303715914892).

Almost surely, 2^{42512515180005} is an apocalyptic number.

It is an amenable number.

42512515180005 is a deficient number, since it is larger than the sum of its proper divisors (31206394096539).

42512515180005 is a wasteful number, since it uses less digits than its factorization.

42512515180005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388617365.

The product of its (nonzero) digits is 80000, while the sum is 39.

The spelling of 42512515180005 in words is "forty-two trillion, five hundred twelve billion, five hundred fifteen million, one hundred eighty thousand, five".