111562260028 has 24 divisors (see below), whose sum is σ = 207757116000. Its totient is φ = 52236062208.

The previous prime is 111562260023. The next prime is 111562260031. The reversal of 111562260028 is 820062265111.

It is a happy number.

It is a super-2 number, since 2×111562260028² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 111562259975 and 111562260002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111562260023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4108633 + ... + 4135696.

It is an arithmetic number, because the mean of its divisors is an integer number (8656546500).

Almost surely, 2^111562260028 is an apocalyptic number.

It is an amenable number.

111562260028 is a deficient number, since it is larger than the sum of its proper divisors (96194855972).

111562260028 is a wasteful number, since it uses less digits than its factorization.

111562260028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244549 (or 8244547 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 111562260028 in words is "one hundred eleven billion, five hundred sixty-two million, two hundred sixty thousand, twenty-eight".