111055000402 has 4 divisors (see below), whose sum is σ = 166582500606. Its totient is φ = 55527500200.

The previous prime is 111055000391. The next prime is 111055000409. The reversal of 111055000402 is 204000550111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76700748601 + 34354251801 = 276949^2 + 185349^2 .

It is a super-2 number, since 2×111055000402² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111055000402.

It is not an unprimeable number, because it can be changed into a prime (111055000409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27763750099 + ... + 27763750102.

Almost surely, 2^111055000402 is an apocalyptic number.

111055000402 is a deficient number, since it is larger than the sum of its proper divisors (55527500204).

111055000402 is an equidigital number, since it uses as much as digits as its factorization.

111055000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55527500203.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 111055000402 its reverse (204000550111), we get a palindrome (315055550513).

The spelling of 111055000402 in words is "one hundred eleven billion, fifty-five million, four hundred two", and thus it is an aban number.