853645125590 has 32 divisors (see below), whose sum is σ = 1543126597056. Its totient is φ = 340001988480.

The previous prime is 853645125587. The next prime is 853645125617. The reversal of 853645125590 is 95521546358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2172284 + ... + 2534976.

It is an arithmetic number, because the mean of its divisors is an integer number (48222706158).

Almost surely, 2^853645125590 is an apocalyptic number.

853645125590 is a deficient number, since it is larger than the sum of its proper divisors (689481471466).

853645125590 is a wasteful number, since it uses less digits than its factorization.

853645125590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363704.

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 853645125590 in words is "eight hundred fifty-three billion, six hundred forty-five million, one hundred twenty-five thousand, five hundred ninety".