1375251515265 has 8 divisors (see below), whose sum is σ = 2200402424448. Its totient is φ = 733467474800.

The previous prime is 1375251515263. The next prime is 1375251515293. The reversal of 1375251515265 is 5625151525731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1375251515265 - 2¹ = 1375251515263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375251515263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45841717161 + ... + 45841717190.

It is an arithmetic number, because the mean of its divisors is an integer number (275050303056).

Almost surely, 2^{1375251515265} is an apocalyptic number.

1375251515265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1375251515265 is a deficient number, since it is larger than the sum of its proper divisors (825150909183).

1375251515265 is an equidigital number, since it uses as much as digits as its factorization.

1375251515265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91683434359.

The product of its digits is 1575000, while the sum is 48.

The spelling of 1375251515265 in words is "one trillion, three hundred seventy-five billion, two hundred fifty-one million, five hundred fifteen thousand, two hundred sixty-five".