90852131903518 has 32 divisors (see below), whose sum is σ = 139726113069312. Its totient is φ = 44281032264000.

The previous prime is 90852131903483. The next prime is 90852131903521. The reversal of 90852131903518 is 81530913125809.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 155334655 + ... + 155918437.

It is an arithmetic number, because the mean of its divisors is an integer number (4366441033416).

Almost surely, 2^{90852131903518} is an apocalyptic number.

90852131903518 is a deficient number, since it is larger than the sum of its proper divisors (48873981165794).

90852131903518 is a wasteful number, since it uses less digits than its factorization.

90852131903518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587440.

The product of its (nonzero) digits is 2332800, while the sum is 55.

The spelling of 90852131903518 in words is "ninety trillion, eight hundred fifty-two billion, one hundred thirty-one million, nine hundred three thousand, five hundred eighteen".