1361777276241 has 12 divisors (see below), whose sum is σ = 1979540359732. Its totient is φ = 902069022816.

The previous prime is 1361777276201. The next prime is 1361777276273. The reversal of 1361777276241 is 1426727771631.

1361777276241 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 7 + 7 + 7 + 2 + 7 + 624 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 345592312641 + 1016184963600 = 587871^2 + 1008060^2 .

It is not a de Polignac number, because 1361777276241 - 2¹⁵ = 1361777243473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361777276201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481873066 + ... + 481875891.

Almost surely, 2^{1361777276241} is an apocalyptic number.

It is an amenable number.

1361777276241 is a deficient number, since it is larger than the sum of its proper divisors (617763083491).

1361777276241 is a wasteful number, since it uses less digits than its factorization.

1361777276241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963749120 (or 963749117 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 54.

The spelling of 1361777276241 in words is "one trillion, three hundred sixty-one billion, seven hundred seventy-seven million, two hundred seventy-six thousand, two hundred forty-one".