13423511002550 has 48 divisors (see below), whose sum is σ = 27314684663472. Its totient is φ = 4867448678400.

The previous prime is 13423511002549. The next prime is 13423511002567. The reversal of 13423511002550 is 5520011532431.

It is a super-2 number, since 2×13423511002550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34375799 + ... + 34764098.

It is an arithmetic number, because the mean of its divisors is an integer number (569055930489).

Almost surely, 2^{13423511002550} is an apocalyptic number.

13423511002550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13423511002550 is an abundant number, since it is smaller than the sum of its proper divisors (13891173660922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13423511002550 is a wasteful number, since it uses less digits than its factorization.

13423511002550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69140273 (or 69140268 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 13423511002550 its reverse (5520011532431), we get a palindrome (18943522534981).

The spelling of 13423511002550 in words is "thirteen trillion, four hundred twenty-three billion, five hundred eleven million, two thousand, five hundred fifty".