1255348486312 has 8 divisors (see below), whose sum is σ = 2353778411850. Its totient is φ = 627674243152.

The previous prime is 1255348486309. The next prime is 1255348486393. The reversal of 1255348486312 is 2136848435521.

It can be written as a sum of positive squares in only one way, i.e., 1188025881156 + 67322605156 = 1089966^2 + 259466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1255348486312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1255348486312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78459280387 + ... + 78459280402.

Almost surely, 2^{1255348486312} is an apocalyptic number.

It is an amenable number.

1255348486312 is a deficient number, since it is larger than the sum of its proper divisors (1098429925538).

1255348486312 is a wasteful number, since it uses less digits than its factorization.

1255348486312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156918560795 (or 156918560791 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The spelling of 1255348486312 in words is "one trillion, two hundred fifty-five billion, three hundred forty-eight million, four hundred eighty-six thousand, three hundred twelve".