1550120023313 has 16 divisors (see below), whose sum is σ = 1624178304000. Its totient is φ = 1477442645952.

The previous prime is 1550120023301. The next prime is 1550120023337. The reversal of 1550120023313 is 3133200210551.

It is a cyclic number.

It is not a de Polignac number, because 1550120023313 - 2⁸ = 1550120023057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550120023343) 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, 12582731 + ... + 12705327.

It is an arithmetic number, because the mean of its divisors is an integer number (101511144000).

Almost surely, 2^{1550120023313} is an apocalyptic number.

It is an amenable number.

1550120023313 is a deficient number, since it is larger than the sum of its proper divisors (74058280687).

1550120023313 is a wasteful number, since it uses less digits than its factorization.

1550120023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128224.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 1550120023313 its reverse (3133200210551), we get a palindrome (4683320233864).

The spelling of 1550120023313 in words is "one trillion, five hundred fifty billion, one hundred twenty million, twenty-three thousand, three hundred thirteen".