1550401204745 has 8 divisors (see below), whose sum is σ = 1867555521216. Its totient is φ = 1235604913456.

The previous prime is 1550401204727. The next prime is 1550401204789. The reversal of 1550401204745 is 5474021040551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1550401204745 - 2²⁰ = 1550400156169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1550401204699 and 1550401204708.

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, 589504847 + ... + 589507476.

It is an arithmetic number, because the mean of its divisors is an integer number (233444440152).

Almost surely, 2^{1550401204745} is an apocalyptic number.

It is an amenable number.

1550401204745 is a deficient number, since it is larger than the sum of its proper divisors (317154316471).

1550401204745 is a wasteful number, since it uses less digits than its factorization.

1550401204745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179012591.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 1550401204745 in words is "one trillion, five hundred fifty billion, four hundred one million, two hundred four thousand, seven hundred forty-five".