1115542225555 has 48 divisors (see below), whose sum is σ = 1483098664320. Its totient is φ = 802608758784.

The previous prime is 1115542225541. The next prime is 1115542225579. The reversal of 1115542225555 is 5555222455111.

It is a de Polignac number, because none of the positive numbers 2^k-1115542225555 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6853606 + ... + 7014484.

It is an arithmetic number, because the mean of its divisors is an integer number (30897888840).

Almost surely, 2^{1115542225555} is an apocalyptic number.

1115542225555 is a deficient number, since it is larger than the sum of its proper divisors (367556438765).

1115542225555 is a wasteful number, since it uses less digits than its factorization.

1115542225555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161056 (or 161027 counting only the distinct ones).

The product of its digits is 500000, while the sum is 43.

The spelling of 1115542225555 in words is "one trillion, one hundred fifteen billion, five hundred forty-two million, two hundred twenty-five thousand, five hundred fifty-five".