11059031780 has 24 divisors (see below), whose sum is σ = 23238741120. Its totient is φ = 4420798560.

The previous prime is 11059031723. The next prime is 11059031807. The reversal of 11059031780 is 8713095011.

It is a super-2 number, since 2×11059031780² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11059031780.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143516 + ... + 206675.

It is an arithmetic number, because the mean of its divisors is an integer number (968280880).

Almost surely, 2^11059031780 is an apocalyptic number.

11059031780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11059031780 is an abundant number, since it is smaller than the sum of its proper divisors (12179709340).

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

11059031780 is a wasteful number, since it uses less digits than its factorization.

11059031780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351779 (or 351777 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 11059031780 in words is "eleven billion, fifty-nine million, thirty-one thousand, seven hundred eighty".