1375012515 has 8 divisors (see below), whose sum is σ = 2200020048. Its totient is φ = 733340000.

The previous prime is 1375012489. The next prime is 1375012567. The reversal of 1375012515 is 5152105731.

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

It is not a de Polignac number, because 1375012515 - 2¹¹ = 1375010467 is a prime.

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, 45833736 + ... + 45833765.

It is an arithmetic number, because the mean of its divisors is an integer number (275002506).

Almost surely, 2^1375012515 is an apocalyptic number.

1375012515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375012515 is a deficient number, since it is larger than the sum of its proper divisors (825007533).

1375012515 is an equidigital number, since it uses as much as digits as its factorization.

1375012515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91667509.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 1375012515 is about 37081.1611873199. The cubic root of 1375012515 is about 1111.9934189848.

The spelling of 1375012515 in words is "one billion, three hundred seventy-five million, twelve thousand, five hundred fifteen".