1375265015 has 8 divisors (see below), whose sum is σ = 1650600720. Its totient is φ = 1100023552.

The previous prime is 1375264991. The next prime is 1375265039. The reversal of 1375265015 is 5105625731.

It is an interprime number because it is at equal distance from previous prime (1375264991) and next prime (1375265039).

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

It is a cyclic number.

It is not a de Polignac number, because 1375265015 - 2¹⁰ = 1375263991 is a prime.

It is a super-3 number, since 3×1375265015³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent 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, 13991 + ... + 54279.

It is an arithmetic number, because the mean of its divisors is an integer number (206325090).

Almost surely, 2^1375265015 is an apocalyptic number.

1375265015 is a deficient number, since it is larger than the sum of its proper divisors (275335705).

1375265015 is an equidigital number, since it uses as much as digits as its factorization.

1375265015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47121.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 1375265015 is about 37084.5657248403. The cubic root of 1375265015 is about 1112.0614816752.

The spelling of 1375265015 in words is "one billion, three hundred seventy-five million, two hundred sixty-five thousand, fifteen".