1123142746508 has 24 divisors (see below), whose sum is σ = 2117062221120. Its totient is φ = 519642542160.

The previous prime is 1123142746463. The next prime is 1123142746571. The reversal of 1123142746508 is 8056472413211.

It is a happy number.

It is a super-2 number, since 2×1123142746508² (a number of 25 digits) contains 22 as substring.

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, 171836198 + ... + 171842733.

It is an arithmetic number, because the mean of its divisors is an integer number (88210925880).

Almost surely, 2^{1123142746508} is an apocalyptic number.

It is an amenable number.

1123142746508 is a deficient number, since it is larger than the sum of its proper divisors (993919474612).

1123142746508 is a wasteful number, since it uses less digits than its factorization.

1123142746508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343678997 (or 343678995 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 1123142746508 in words is "one trillion, one hundred twenty-three billion, one hundred forty-two million, seven hundred forty-six thousand, five hundred eight".