1361211746545 has 48 divisors (see below), whose sum is σ = 1957403613312. Its totient is φ = 890118282240.

The previous prime is 1361211746539. The next prime is 1361211746579. The reversal of 1361211746545 is 5456471121631.

It is not a de Polignac number, because 1361211746545 - 2⁵ = 1361211746513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1361211746495 and 1361211746504.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 6017409 + ... + 6239521.

It is an arithmetic number, because the mean of its divisors is an integer number (40779241944).

Almost surely, 2^{1361211746545} is an apocalyptic number.

It is an amenable number.

1361211746545 is a deficient number, since it is larger than the sum of its proper divisors (596191866767).

1361211746545 is a wasteful number, since it uses less digits than its factorization.

1361211746545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222502 (or 222479 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The spelling of 1361211746545 in words is "one trillion, three hundred sixty-one billion, two hundred eleven million, seven hundred forty-six thousand, five hundred forty-five".