13350111550 has 24 divisors (see below), whose sum is σ = 26138115000. Its totient is φ = 5058989280.

The previous prime is 13350111539. The next prime is 13350111571. The reversal of 13350111550 is 5511105331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7025425 + ... + 7027324.

It is an arithmetic number, because the mean of its divisors is an integer number (1089088125).

Almost surely, 2^13350111550 is an apocalyptic number.

13350111550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13350111550 is a deficient number, since it is larger than the sum of its proper divisors (12788003450).

13350111550 is a wasteful number, since it uses less digits than its factorization.

13350111550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14052780 (or 14052775 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 25.

Adding to 13350111550 its reverse (5511105331), we get a palindrome (18861216881).

The spelling of 13350111550 in words is "thirteen billion, three hundred fifty million, one hundred eleven thousand, five hundred fifty".