1361253735275 has 36 divisors (see below), whose sum is σ = 2031247357920. Its totient is φ = 901243828800.

The previous prime is 1361253735271. The next prime is 1361253735277. The reversal of 1361253735275 is 5725373521631.

It is not a de Polignac number, because 1361253735275 - 2² = 1361253735271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361253735271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19123571 + ... + 19194620.

It is an arithmetic number, because the mean of its divisors is an integer number (56423537720).

Almost surely, 2^{1361253735275} is an apocalyptic number.

1361253735275 is a deficient number, since it is larger than the sum of its proper divisors (669993622645).

1361253735275 is a wasteful number, since it uses less digits than its factorization.

1361253735275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38318244 (or 38318232 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 50.

The spelling of 1361253735275 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-three million, seven hundred thirty-five thousand, two hundred seventy-five".