1115504040100 has 18 divisors (see below), whose sum is σ = 2420643767234. Its totient is φ = 446201616000.

The previous prime is 1115504040073. The next prime is 1115504040113. The reversal of 1115504040100 is 10404055111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 133153469604 + 982350570496 = 364902^2 + 991136^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5577520101 + ... + 5577520300.

Almost surely, 2^{1115504040100} is an apocalyptic number.

1115504040100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115504040100 is an abundant number, since it is smaller than the sum of its proper divisors (1305139727134).

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

1115504040100 is a wasteful number, since it uses less digits than its factorization.

1115504040100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155040415 (or 11155040408 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 1115504040100 its reverse (10404055111), we get a palindrome (1125908095211).

The spelling of 1115504040100 in words is "one trillion, one hundred fifteen billion, five hundred four million, forty thousand, one hundred".