13051780530 has 32 divisors (see below), whose sum is σ = 31915301184. Its totient is φ = 3414805056.

The previous prime is 13051780529. The next prime is 13051780531. The reversal of 13051780530 is 3508715031.

It is an interprime number because it is at equal distance from previous prime (13051780529) and next prime (13051780531).

It is a junction number, because it is equal to n+sod(n) for n = 13051780491 and 13051780500.

It is not an unprimeable number, because it can be changed into a prime (13051780531) 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, 4102744 + ... + 4105923.

It is an arithmetic number, because the mean of its divisors is an integer number (997353162).

Almost surely, 2^13051780530 is an apocalyptic number.

13051780530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13051780530 is an abundant number, since it is smaller than the sum of its proper divisors (18863520654).

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

13051780530 is a wasteful number, since it uses less digits than its factorization.

13051780530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208730.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 13051780530 in words is "thirteen billion, fifty-one million, seven hundred eighty thousand, five hundred thirty".