1115355221142 has 64 divisors (see below), whose sum is σ = 2341555845120. Its totient is φ = 353721657600.

The previous prime is 1115355221129. The next prime is 1115355221147. The reversal of 1115355221142 is 2411225535111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115355221147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24405109 + ... + 24450767.

It is an arithmetic number, because the mean of its divisors is an integer number (36586810080).

Almost surely, 2^{1115355221142} is an apocalyptic number.

1115355221142 is an abundant number, since it is smaller than the sum of its proper divisors (1226200623978).

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

1115355221142 is a wasteful number, since it uses less digits than its factorization.

1115355221142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47909.

The product of its digits is 12000, while the sum is 33.

The spelling of 1115355221142 in words is "one trillion, one hundred fifteen billion, three hundred fifty-five million, two hundred twenty-one thousand, one hundred forty-two".