11236880780 has 12 divisors (see below), whose sum is σ = 23597449680. Its totient is φ = 4494752304.

The previous prime is 11236880771. The next prime is 11236880789. The reversal of 11236880780 is 8708863211.

It is an interprime number because it is at equal distance from previous prime (11236880771) and next prime (11236880789).

It is not an unprimeable number, because it can be changed into a prime (11236880789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280922000 + ... + 280922039.

It is an arithmetic number, because the mean of its divisors is an integer number (1966454140).

Almost surely, 2^11236880780 is an apocalyptic number.

11236880780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11236880780 is an abundant number, since it is smaller than the sum of its proper divisors (12360568900).

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

11236880780 is a wasteful number, since it uses less digits than its factorization.

11236880780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561844048 (or 561844046 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 11236880780 in words is "eleven billion, two hundred thirty-six million, eight hundred eighty thousand, seven hundred eighty".