1023265552126 has 16 divisors (see below), whose sum is σ = 1538147178720. Its totient is φ = 510549959520.

The previous prime is 1023265552097. The next prime is 1023265552139. The reversal of 1023265552126 is 6212555623201.

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, 25441240 + ... + 25481428.

It is an arithmetic number, because the mean of its divisors is an integer number (96134198670).

Almost surely, 2^{1023265552126} is an apocalyptic number.

1023265552126 is a deficient number, since it is larger than the sum of its proper divisors (514881626594).

1023265552126 is a wasteful number, since it uses less digits than its factorization.

1023265552126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66819.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 1023265552126 in words is "one trillion, twenty-three billion, two hundred sixty-five million, five hundred fifty-two thousand, one hundred twenty-six".