1375188248745 has 12 divisors (see below), whose sum is σ = 2383659631236. Its totient is φ = 733433732640.

The previous prime is 1375188248723. The next prime is 1375188248771. The reversal of 1375188248745 is 5478428815731.

1375188248745 is a `hidden beast` number, since 1 + 3 + 7 + 518 + 8 + 2 + 48 + 74 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 248694708249 + 1126493540496 = 498693^2 + 1061364^2 .

It is not a de Polignac number, because 1375188248745 - 2⁵ = 1375188248713 is a prime.

It is a super-2 number, since 2×1375188248745² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15279869386 + ... + 15279869475.

It is an arithmetic number, because the mean of its divisors is an integer number (198638302603).

Almost surely, 2^{1375188248745} is an apocalyptic number.

1375188248745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1375188248745 is a deficient number, since it is larger than the sum of its proper divisors (1008471382491).

1375188248745 is a wasteful number, since it uses less digits than its factorization.

1375188248745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30559738872 (or 30559738869 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 63.

The spelling of 1375188248745 in words is "one trillion, three hundred seventy-five billion, one hundred eighty-eight million, two hundred forty-eight thousand, seven hundred forty-five".