1275247416415 has 16 divisors (see below), whose sum is σ = 1749320432640. Its totient is φ = 874250526240.

The previous prime is 1275247416397. The next prime is 1275247416437. The reversal of 1275247416415 is 5146147425721.

It is not a de Polignac number, because 1275247416415 - 2²³ = 1275239027807 is a prime.

It is a super-2 number, since 2×1275247416415² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4115985 + ... + 4414954.

It is an arithmetic number, because the mean of its divisors is an integer number (109332527040).

Almost surely, 2^{1275247416415} is an apocalyptic number.

1275247416415 is a deficient number, since it is larger than the sum of its proper divisors (474073016225).

1275247416415 is an equidigital number, since it uses as much as digits as its factorization.

1275247416415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535222.

The product of its digits is 1881600, while the sum is 49.

The spelling of 1275247416415 in words is "one trillion, two hundred seventy-five billion, two hundred forty-seven million, four hundred sixteen thousand, four hundred fifteen".