1275415015275 has 36 divisors (see below), whose sum is σ = 2296370344320. Its totient is φ = 676659950400.

The previous prime is 1275415015163. The next prime is 1275415015279. The reversal of 1275415015275 is 5725105145721.

1275415015275 is a `hidden beast` number, since 1 + 2 + 7 + 541 + 50 + 1 + 52 + 7 + 5 = 666.

It is not a de Polignac number, because 1275415015275 - 2³⁰ = 1274341273451 is a prime.

It is a super-2 number, since 2×1275415015275² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1275415015275.

It is not an unprimeable number, because it can be changed into a prime (1275415015279) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14796060 + ... + 14882009.

It is an arithmetic number, because the mean of its divisors is an integer number (63788065120).

Almost surely, 2^{1275415015275} is an apocalyptic number.

1275415015275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1275415015275 is a deficient number, since it is larger than the sum of its proper divisors (1020955329045).

1275415015275 is a wasteful number, since it uses less digits than its factorization.

1275415015275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29678276 (or 29678268 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 45.

The spelling of 1275415015275 in words is "one trillion, two hundred seventy-five billion, four hundred fifteen million, fifteen thousand, two hundred seventy-five".