11582578428026 has 4 divisors (see below), whose sum is σ = 17373867642042. Its totient is φ = 5791289214012.

The previous prime is 11582578427977. The next prime is 11582578428041. The reversal of 11582578428026 is 62082487528511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6834820693801 + 4747757734225 = 2614349^2 + 2178935^2 .

It is a super-2 number, since 2×11582578428026² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2895644607005 + ... + 2895644607008.

Almost surely, 2^{11582578428026} is an apocalyptic number.

11582578428026 is a deficient number, since it is larger than the sum of its proper divisors (5791289214016).

11582578428026 is an equidigital number, since it uses as much as digits as its factorization.

11582578428026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791289214015.

The product of its (nonzero) digits is 17203200, while the sum is 59.

The spelling of 11582578428026 in words is "eleven trillion, five hundred eighty-two billion, five hundred seventy-eight million, four hundred twenty-eight thousand, twenty-six".