113521034428 has 12 divisors (see below), whose sum is σ = 199172511720. Its totient is φ = 56614602512.

The previous prime is 113521034387. The next prime is 113521034503. The reversal of 113521034428 is 824430125311.

It is a super-2 number, since 2×113521034428² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113521034393 and 113521034402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36476926 + ... + 36480037.

It is an arithmetic number, because the mean of its divisors is an integer number (16597709310).

Almost surely, 2^113521034428 is an apocalyptic number.

It is an amenable number.

113521034428 is a deficient number, since it is larger than the sum of its proper divisors (85651477292).

113521034428 is a wasteful number, since it uses less digits than its factorization.

113521034428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72957356 (or 72957354 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 113521034428 its reverse (824430125311), we get a palindrome (937951159739).

The spelling of 113521034428 in words is "one hundred thirteen billion, five hundred twenty-one million, thirty-four thousand, four hundred twenty-eight".