1128957215342 has 16 divisors (see below), whose sum is σ = 1856762127792. Its totient is φ = 510557483520.

The previous prime is 1128957215341. The next prime is 1128957215357. The reversal of 1128957215342 is 2435127598211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128957215341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130239923 + ... + 130248590.

It is an arithmetic number, because the mean of its divisors is an integer number (116047632987).

Almost surely, 2^{1128957215342} is an apocalyptic number.

1128957215342 is a deficient number, since it is larger than the sum of its proper divisors (727804912450).

1128957215342 is a wasteful number, since it uses less digits than its factorization.

1128957215342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260488723.

The product of its digits is 1209600, while the sum is 50.

It can be divided in two parts, 112895 and 7215342, that added together give a palindrome (7328237).

The spelling of 1128957215342 in words is "one trillion, one hundred twenty-eight billion, nine hundred fifty-seven million, two hundred fifteen thousand, three hundred forty-two".