10980734520 has 512 divisors, whose sum is σ = 42301440000. Its totient is φ = 2221350912.

The previous prime is 10980734477. The next prime is 10980734617. The reversal of 10980734520 is 2543708901.

It is a Cunningham number, because it is equal to 104789²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22005231 + ... + 22005729.

It is an arithmetic number, because the mean of its divisors is an integer number (82620000).

Almost surely, 2^10980734520 is an apocalyptic number.

10980734520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10980734520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21150720000).

10980734520 is an abundant number, since it is smaller than the sum of its proper divisors (31320705480).

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

10980734520 is a wasteful number, since it uses less digits than its factorization.

10980734520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 10980734520 in words is "ten billion, nine hundred eighty million, seven hundred thirty-four thousand, five hundred twenty".