11178480580 has 24 divisors (see below), whose sum is σ = 23859644760. Its totient is φ = 4398090240.

The previous prime is 11178480571. The next prime is 11178480581. The reversal of 11178480580 is 8508487111.

It can be written as a sum of positive squares in 4 ways, for example, as 669360384 + 10509120196 = 25872^2 + 102514^2 .

It is a super-3 number, since 3×11178480580³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11178480581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4580125 + ... + 4582564.

It is an arithmetic number, because the mean of its divisors is an integer number (994151865).

Almost surely, 2^11178480580 is an apocalyptic number.

11178480580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11178480580 is an abundant number, since it is smaller than the sum of its proper divisors (12681164180).

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

11178480580 is a wasteful number, since it uses less digits than its factorization.

11178480580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162759 (or 9162757 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 43.

The spelling of 11178480580 in words is "eleven billion, one hundred seventy-eight million, four hundred eighty thousand, five hundred eighty".