1121125331542 has 16 divisors (see below), whose sum is σ = 1706976935712. Its totient is φ = 552153309120.

The previous prime is 1121125331527. The next prime is 1121125331549. The reversal of 1121125331542 is 2451335211211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121125331549) 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, 4961434 + ... + 5182477.

It is an arithmetic number, because the mean of its divisors is an integer number (106686058482).

Almost surely, 2^{1121125331542} is an apocalyptic number.

1121125331542 is a deficient number, since it is larger than the sum of its proper divisors (585851604170).

1121125331542 is a wasteful number, since it uses less digits than its factorization.

1121125331542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144743.

The product of its digits is 7200, while the sum is 31.

The spelling of 1121125331542 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-five million, three hundred thirty-one thousand, five hundred forty-two".