1325105100100 has 36 divisors (see below), whose sum is σ = 2876048452368. Its totient is φ = 529936900000.

The previous prime is 1325105100073. The next prime is 1325105100133. The reversal of 1325105100100 is 10015015231.

It is a super-2 number, since 2×1325105100100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806626 + ... + 1816825.

It is an arithmetic number, because the mean of its divisors is an integer number (79890234788).

Almost surely, 2^{1325105100100} is an apocalyptic number.

1325105100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325105100100 is an abundant number, since it is smaller than the sum of its proper divisors (1550943352268).

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

1325105100100 is a wasteful number, since it uses less digits than its factorization.

1325105100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628516 (or 2628509 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The spelling of 1325105100100 in words is "one trillion, three hundred twenty-five billion, one hundred five million, one hundred thousand, one hundred".