1297167550925 has 12 divisors (see below), whose sum is σ = 1609015403700. Its totient is φ = 1037393627520.

The previous prime is 1297167550919. The next prime is 1297167550949. The reversal of 1297167550925 is 5290557617921.

It can be written as a sum of positive squares in 6 ways, for example, as 250726527076 + 1046441023849 = 500726^2 + 1022957^2 .

It is not a de Polignac number, because 1297167550925 - 2²⁰ = 1297166502349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8432582 + ... + 8585031.

It is an arithmetic number, because the mean of its divisors is an integer number (134084616975).

Almost surely, 2^{1297167550925} is an apocalyptic number.

It is an amenable number.

1297167550925 is a deficient number, since it is larger than the sum of its proper divisors (311847852775).

1297167550925 is a wasteful number, since it uses less digits than its factorization.

1297167550925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020672 (or 17020667 counting only the distinct ones).

The product of its (nonzero) digits is 11907000, while the sum is 59.

The spelling of 1297167550925 in words is "one trillion, two hundred ninety-seven billion, one hundred sixty-seven million, five hundred fifty thousand, nine hundred twenty-five".