11280701520 has 480 divisors, whose sum is σ = 43521214464. Its totient is φ = 2692569600.

The previous prime is 11280701483. The next prime is 11280701533. The reversal of 11280701520 is 2510708211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15182269 + ... + 15183011.

Almost surely, 2^11280701520 is an apocalyptic number.

11280701520 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 11280701520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21760607232).

11280701520 is an abundant number, since it is smaller than the sum of its proper divisors (32240512944).

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

11280701520 is a wasteful number, since it uses less digits than its factorization.

11280701520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The spelling of 11280701520 in words is "eleven billion, two hundred eighty million, seven hundred one thousand, five hundred twenty".