1361254520044 has 48 divisors (see below), whose sum is σ = 2541089063520. Its totient is φ = 636989749760.

The previous prime is 1361254520033. The next prime is 1361254520047. The reversal of 1361254520044 is 4400254521631.

It is a junction number, because it is equal to n+sod(n) for n = 1361254519985 and 1361254520012.

It is not an unprimeable number, because it can be changed into a prime (1361254520047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823537 + ... + 1844104.

It is an arithmetic number, because the mean of its divisors is an integer number (52939355490).

Almost surely, 2^{1361254520044} is an apocalyptic number.

It is an amenable number.

1361254520044 is a deficient number, since it is larger than the sum of its proper divisors (1179834543476).

1361254520044 is a wasteful number, since it uses less digits than its factorization.

1361254520044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667810 (or 2667808 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 1361254520044 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-four million, five hundred twenty thousand, forty-four".