1361316772277 has 24 divisors (see below), whose sum is σ = 1765247909376. Its totient is φ = 1026548028000.

The previous prime is 1361316772237. The next prime is 1361316772279. The reversal of 1361316772277 is 7722776131631.

It is not a de Polignac number, because 1361316772277 - 2²⁸ = 1361048336821 is a prime.

It is a super-3 number, since 3×1361316772277³ (a number of 37 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361316772279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25896674 + ... + 25949187.

It is an arithmetic number, because the mean of its divisors is an integer number (73551996224).

Almost surely, 2^{1361316772277} is an apocalyptic number.

It is an amenable number.

1361316772277 is a deficient number, since it is larger than the sum of its proper divisors (403931137099).

1361316772277 is a wasteful number, since it uses less digits than its factorization.

1361316772277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51845921 (or 51845910 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 53.

The spelling of 1361316772277 in words is "one trillion, three hundred sixty-one billion, three hundred sixteen million, seven hundred seventy-two thousand, two hundred seventy-seven".