101813722573452 has 24 divisors (see below), whose sum is σ = 237568231391232. Its totient is φ = 33937496278800.

The previous prime is 101813722573441. The next prime is 101813722573487. The reversal of 101813722573452 is 254375227318101.

It is a junction number, because it is equal to n+sod(n) for n = 101813722573395 and 101813722573404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50373324 + ... + 52355507.

It is an arithmetic number, because the mean of its divisors is an integer number (9898676307968).

Almost surely, 2^{101813722573452} is an apocalyptic number.

101813722573452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101813722573452 is an abundant number, since it is smaller than the sum of its proper divisors (135754508817780).

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

101813722573452 is a wasteful number, since it uses less digits than its factorization.

101813722573452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102811429 (or 102811427 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 101813722573452 in words is "one hundred one trillion, eight hundred thirteen billion, seven hundred twenty-two million, five hundred seventy-three thousand, four hundred fifty-two".