163115211101500 has 48 divisors (see below), whose sum is σ = 407135566918080. Its totient is φ = 55925215233600.

The previous prime is 163115211101497. The next prime is 163115211101573. The reversal of 163115211101500 is 5101112511361.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 23302169515 + ... + 23302176514.

It is an arithmetic number, because the mean of its divisors is an integer number (8481990977460).

Almost surely, 2^{163115211101500} is an apocalyptic number.

163115211101500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163115211101500 is an abundant number, since it is smaller than the sum of its proper divisors (244020355816580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163115211101500 is a wasteful number, since it uses less digits than its factorization.

163115211101500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46604346055 (or 46604346043 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 28.

Adding to 163115211101500 its reverse (5101112511361), we get a palindrome (168216323612861).

The spelling of 163115211101500 in words is "one hundred sixty-three trillion, one hundred fifteen billion, two hundred eleven million, one hundred one thousand, five hundred".