1251123322552 has 16 divisors (see below), whose sum is σ = 2345887098000. Its totient is φ = 625553429760.

The previous prime is 1251123322513. The next prime is 1251123322591. The reversal of 1251123322552 is 2552233211521.

It is an interprime number because it is at equal distance from previous prime (1251123322513) and next prime (1251123322591).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357177 + ... + 1621672.

It is an arithmetic number, because the mean of its divisors is an integer number (146617943625).

Almost surely, 2^{1251123322552} is an apocalyptic number.

It is an amenable number.

1251123322552 is a deficient number, since it is larger than the sum of its proper divisors (1094763775448).

1251123322552 is a wasteful number, since it uses less digits than its factorization.

1251123322552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057886 (or 2057882 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The spelling of 1251123322552 in words is "one trillion, two hundred fifty-one billion, one hundred twenty-three million, three hundred twenty-two thousand, five hundred fifty-two".