1115553142 has 16 divisors (see below), whose sum is σ = 1829822400. Its totient is φ = 505855240.

The previous prime is 1115553113. The next prime is 1115553151. The reversal of 1115553142 is 2413555111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115553142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51292 + ... + 69727.

It is an arithmetic number, because the mean of its divisors is an integer number (114363900).

Almost surely, 2^1115553142 is an apocalyptic number.

1115553142 is a deficient number, since it is larger than the sum of its proper divisors (714269258).

1115553142 is a wasteful number, since it uses less digits than its factorization.

1115553142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121451.

The product of its digits is 3000, while the sum is 28.

The square root of 1115553142 is about 33399.8973351716. The cubic root of 1115553142 is about 1037.1225756790.

The spelling of 1115553142 in words is "one billion, one hundred fifteen million, five hundred fifty-three thousand, one hundred forty-two".