1115555510142 has 16 divisors (see below), whose sum is σ = 2479012244880. Its totient is φ = 371851836696.

The previous prime is 1115555510141. The next prime is 1115555510177. The reversal of 1115555510142 is 2410155555111.

1115555510142 is a `hidden beast` number, since 1 + 1 + 1 + 55 + 55 + 510 + 1 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1115555510097 and 1115555510106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115555510141) 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, 10329217633 + ... + 10329217740.

It is an arithmetic number, because the mean of its divisors is an integer number (154938265305).

Almost surely, 2^{1115555510142} is an apocalyptic number.

1115555510142 is an abundant number, since it is smaller than the sum of its proper divisors (1363456734738).

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

1115555510142 is a wasteful number, since it uses less digits than its factorization.

1115555510142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20658435384 (or 20658435378 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 36.

The spelling of 1115555510142 in words is "one trillion, one hundred fifteen billion, five hundred fifty-five million, five hundred ten thousand, one hundred forty-two".