11278401258 has 8 divisors (see below), whose sum is σ = 22556802528. Its totient is φ = 3759467084.

The previous prime is 11278401257. The next prime is 11278401259. The reversal of 11278401258 is 85210487211.

11278401258 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11278401257) and next prime (11278401259).

It is a sphenic number, since it is the product of 3 distinct primes.

11278401258 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11278401257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939866766 + ... + 939866777.

It is an arithmetic number, because the mean of its divisors is an integer number (2819600316).

Almost surely, 2^11278401258 is an apocalyptic number.

11278401258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11278401258 is a wasteful number, since it uses less digits than its factorization.

11278401258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879733548.

The product of its (nonzero) digits is 35840, while the sum is 39.

Adding to 11278401258 its reverse (85210487211), we get a palindrome (96488888469).

The spelling of 11278401258 in words is "eleven billion, two hundred seventy-eight million, four hundred one thousand, two hundred fifty-eight".