155101016100 has 72 divisors (see below), whose sum is σ = 464233412160. Its totient is φ = 39934052480.

The previous prime is 155101016089. The next prime is 155101016123. The reversal of 155101016100 is 1610101551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8905152 + ... + 8922551.

It is an arithmetic number, because the mean of its divisors is an integer number (6447686280).

Almost surely, 2^155101016100 is an apocalyptic number.

155101016100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155101016100 is an abundant number, since it is smaller than the sum of its proper divisors (309132396060).

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

155101016100 is a wasteful number, since it uses less digits than its factorization.

155101016100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17827749 (or 17827742 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 155101016100 its reverse (1610101551), we get a palindrome (156711117651).

The spelling of 155101016100 in words is "one hundred fifty-five billion, one hundred one million, sixteen thousand, one hundred".