1279133578255 has 32 divisors (see below), whose sum is σ = 1658767743360. Its totient is φ = 941316180480.

The previous prime is 1279133578249. The next prime is 1279133578277. The reversal of 1279133578255 is 5528753319721.

It is not a de Polignac number, because 1279133578255 - 2¹⁷ = 1279133447183 is a prime.

It is a super-2 number, since 2×1279133578255² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1279133578255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148232281 + ... + 148240909.

It is an arithmetic number, because the mean of its divisors is an integer number (51836491980).

Almost surely, 2^{1279133578255} is an apocalyptic number.

1279133578255 is a deficient number, since it is larger than the sum of its proper divisors (379634165105).

1279133578255 is a wasteful number, since it uses less digits than its factorization.

1279133578255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16291.

The product of its digits is 15876000, while the sum is 58.

The spelling of 1279133578255 in words is "one trillion, two hundred seventy-nine billion, one hundred thirty-three million, five hundred seventy-eight thousand, two hundred fifty-five".