113262021572 has 36 divisors (see below), whose sum is σ = 234348961644. Its totient is φ = 47745109440.

The previous prime is 113262021559. The next prime is 113262021577. The reversal of 113262021572 is 275120262311.

It can be written as a sum of positive squares in 2 ways, for example, as 6343485316 + 106918536256 = 79646^2 + 326984^2 .

It is not an unprimeable number, because it can be changed into a prime (113262021577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4724663 + ... + 4748574.

It is an arithmetic number, because the mean of its divisors is an integer number (6509693379).

Almost surely, 2^113262021572 is an apocalyptic number.

It is an amenable number.

113262021572 is an abundant number, since it is smaller than the sum of its proper divisors (121086940072).

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

113262021572 is a wasteful number, since it uses less digits than its factorization.

113262021572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473316 (or 9473307 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 113262021572 its reverse (275120262311), we get a palindrome (388382283883).

The spelling of 113262021572 in words is "one hundred thirteen billion, two hundred sixty-two million, twenty-one thousand, five hundred seventy-two".