1267469254655 has 4 divisors (see below), whose sum is σ = 1520963105592. Its totient is φ = 1013975403720.

The previous prime is 1267469254651. The next prime is 1267469254657. The reversal of 1267469254655 is 5564529647621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1267469254655 - 2² = 1267469254651 is a prime.

It is a super-2 number, since 2×1267469254655² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267469254651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126746925461 + ... + 126746925470.

It is an arithmetic number, because the mean of its divisors is an integer number (380240776398).

Almost surely, 2^{1267469254655} is an apocalyptic number.

1267469254655 is a deficient number, since it is larger than the sum of its proper divisors (253493850937).

1267469254655 is an equidigital number, since it uses as much as digits as its factorization.

1267469254655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253493850936.

The product of its digits is 108864000, while the sum is 62.

The spelling of 1267469254655 in words is "one trillion, two hundred sixty-seven billion, four hundred sixty-nine million, two hundred fifty-four thousand, six hundred fifty-five".