1361205623534 has 16 divisors (see below), whose sum is σ = 2062513964160. Its totient is φ = 673706623800.

The previous prime is 1361205623497. The next prime is 1361205623543. The reversal of 1361205623534 is 4353265021631.

It is a junction number, because it is equal to n+sod(n) for n = 1361205623491 and 1361205623500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930692 + ... + 1894359.

It is an arithmetic number, because the mean of its divisors is an integer number (128907122760).

Almost surely, 2^{1361205623534} is an apocalyptic number.

1361205623534 is a deficient number, since it is larger than the sum of its proper divisors (701308340626).

1361205623534 is a wasteful number, since it uses less digits than its factorization.

1361205623534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827495.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 1361205623534 in words is "one trillion, three hundred sixty-one billion, two hundred five million, six hundred twenty-three thousand, five hundred thirty-four".