1375126387625 has 8 divisors (see below), whose sum is σ = 1716157731912. Its totient is φ = 1100101110000.

The previous prime is 1375126387603. The next prime is 1375126387651. The reversal of 1375126387625 is 5267836215731.

It can be written as a sum of positive squares in 4 ways, for example, as 52019117929 + 1323107269696 = 228077^2 + 1150264^2 .

It is not a de Polignac number, because 1375126387625 - 2²⁴ = 1375109610409 is a prime.

It is a Duffinian 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, 5500505426 + ... + 5500505675.

It is an arithmetic number, because the mean of its divisors is an integer number (214519716489).

Almost surely, 2^{1375126387625} is an apocalyptic number.

It is an amenable number.

1375126387625 is a deficient number, since it is larger than the sum of its proper divisors (341031344287).

1375126387625 is an equidigital number, since it uses as much as digits as its factorization.

1375126387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001011116 (or 11001011106 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 56.

The spelling of 1375126387625 in words is "one trillion, three hundred seventy-five billion, one hundred twenty-six million, three hundred eighty-seven thousand, six hundred twenty-five".