420013750515 has 32 divisors (see below), whose sum is σ = 675647723520. Its totient is φ = 222799484544.

The previous prime is 420013750489. The next prime is 420013750543. The reversal of 420013750515 is 515057310024.

It is a de Polignac number, because none of the positive numbers 2^k-420013750515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10046826 + ... + 10088544.

It is an arithmetic number, because the mean of its divisors is an integer number (21113991360).

Almost surely, 2^420013750515 is an apocalyptic number.

420013750515 is a deficient number, since it is larger than the sum of its proper divisors (255633973005).

420013750515 is a wasteful number, since it uses less digits than its factorization.

420013750515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45331.

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 420013750515 in words is "four hundred twenty billion, thirteen million, seven hundred fifty thousand, five hundred fifteen".