1361253711267 has 16 divisors (see below), whose sum is σ = 2017691280000. Its totient is φ = 907043872392.

The previous prime is 1361253711253. The next prime is 1361253711269. The reversal of 1361253711267 is 7621173521631.

1361253711267 is a `hidden beast` number, since 1 + 3 + 6 + 12 + 5 + 371 + 1 + 267 = 666.

It is not a de Polignac number, because 1361253711267 - 2¹⁴ = 1361253694883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361253711269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12684517 + ... + 12791382.

It is an arithmetic number, because the mean of its divisors is an integer number (126105705000).

Almost surely, 2^{1361253711267} is an apocalyptic number.

1361253711267 is a deficient number, since it is larger than the sum of its proper divisors (656437568733).

1361253711267 is a wasteful number, since it uses less digits than its factorization.

1361253711267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25477887 (or 25477881 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The spelling of 1361253711267 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-three million, seven hundred eleven thousand, two hundred sixty-seven".