1273153215675 has 48 divisors (see below), whose sum is σ = 2302032481920. Its totient is φ = 615746880000.

The previous prime is 1273153215661. The next prime is 1273153215689. The reversal of 1273153215675 is 5765123513721.

It is an interprime number because it is at equal distance from previous prime (1273153215661) and next prime (1273153215689).

It is not a de Polignac number, because 1273153215675 - 2⁸ = 1273153215419 is a prime.

It is a super-2 number, since 2×1273153215675² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1593385 + ... + 2255034.

It is an arithmetic number, because the mean of its divisors is an integer number (47959010040).

Almost surely, 2^{1273153215675} is an apocalyptic number.

1273153215675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1273153215675 is a deficient number, since it is larger than the sum of its proper divisors (1028879266245).

1273153215675 is a wasteful number, since it uses less digits than its factorization.

1273153215675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848844 (or 3848839 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 48.

The spelling of 1273153215675 in words is "one trillion, two hundred seventy-three billion, one hundred fifty-three million, two hundred fifteen thousand, six hundred seventy-five".