11580655542 has 16 divisors (see below), whose sum is σ = 23170729152. Its totient is φ = 3858648840.

The previous prime is 11580655529. The next prime is 11580655573. The reversal of 11580655542 is 24555608511.

11580655542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11580655542² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11580655494 and 11580655503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376384 + ... + 405987.

It is an arithmetic number, because the mean of its divisors is an integer number (1448170572).

Almost surely, 2^11580655542 is an apocalyptic number.

11580655542 is an abundant number, since it is smaller than the sum of its proper divisors (11590073610).

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

11580655542 is a wasteful number, since it uses less digits than its factorization.

11580655542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784843.

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 11580655542 in words is "eleven billion, five hundred eighty million, six hundred fifty-five thousand, five hundred forty-two".