155341315100 has 72 divisors (see below), whose sum is σ = 338082767568. Its totient is φ = 61953971200.

The previous prime is 155341315043. The next prime is 155341315109. The reversal of 155341315100 is 1513143551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155341315109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64269092 + ... + 64271508.

It is an arithmetic number, because the mean of its divisors is an integer number (4695593994).

Almost surely, 2^155341315100 is an apocalyptic number.

155341315100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155341315100 is an abundant number, since it is smaller than the sum of its proper divisors (182741452468).

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

155341315100 is a wasteful number, since it uses less digits than its factorization.

155341315100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055 (or 4048 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 155341315100 its reverse (1513143551), we get a palindrome (156854458651).

The spelling of 155341315100 in words is "one hundred fifty-five billion, three hundred forty-one million, three hundred fifteen thousand, one hundred".