72105111760252 has 12 divisors (see below), whose sum is σ = 126273501264960. Its totient is φ = 36026968541696.

The previous prime is 72105111760249. The next prime is 72105111760259. The reversal of 72105111760252 is 25206711150127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72105111760259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6396828268 + ... + 6396839539.

It is an arithmetic number, because the mean of its divisors is an integer number (10522791772080).

Almost surely, 2^{72105111760252} is an apocalyptic number.

It is an amenable number.

72105111760252 is a deficient number, since it is larger than the sum of its proper divisors (54168389504708).

72105111760252 is a wasteful number, since it uses less digits than its factorization.

72105111760252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793669220 (or 12793669218 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 72105111760252 in words is "seventy-two trillion, one hundred five billion, one hundred eleven million, seven hundred sixty thousand, two hundred fifty-two".