864142354515 has 32 divisors (see below), whose sum is σ = 1533885984000. Its totient is φ = 411876782720.

The previous prime is 864142354487. The next prime is 864142354547. The reversal of 864142354515 is 515453241468.

864142354515 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 864142354515 - 2⁵ = 864142354483 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, 44373540 + ... + 44393009.

It is an arithmetic number, because the mean of its divisors is an integer number (47933937000).

Almost surely, 2^864142354515 is an apocalyptic number.

864142354515 is a deficient number, since it is larger than the sum of its proper divisors (669743629485).

864142354515 is a wasteful number, since it uses less digits than its factorization.

864142354515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88766627.

The product of its digits is 2304000, while the sum is 48.

The spelling of 864142354515 in words is "eight hundred sixty-four billion, one hundred forty-two million, three hundred fifty-four thousand, five hundred fifteen".