1361772252311 has 4 divisors (see below), whose sum is σ = 1367422759824. Its totient is φ = 1356121744800.

The previous prime is 1361772252283. The next prime is 1361772252361. The reversal of 1361772252311 is 1132522771631.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361772252311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361772252361) 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, 2825253395 + ... + 2825253876.

It is an arithmetic number, because the mean of its divisors is an integer number (341855689956).

Almost surely, 2^{1361772252311} is an apocalyptic number.

1361772252311 is a deficient number, since it is larger than the sum of its proper divisors (5650507513).

1361772252311 is an equidigital number, since it uses as much as digits as its factorization.

1361772252311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650507512.

The product of its digits is 105840, while the sum is 41.

The spelling of 1361772252311 in words is "one trillion, three hundred sixty-one billion, seven hundred seventy-two million, two hundred fifty-two thousand, three hundred eleven".