11278401054 has 8 divisors (see below), whose sum is σ = 22556802120. Its totient is φ = 3759467016.

The previous prime is 11278401041. The next prime is 11278401061. The reversal of 11278401054 is 45010487211.

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

11278401054 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939866749 + ... + 939866760.

It is an arithmetic number, because the mean of its divisors is an integer number (2819600265).

Almost surely, 2^11278401054 is an apocalyptic number.

11278401054 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.

11278401054 is a wasteful number, since it uses less digits than its factorization.

11278401054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879733514.

The product of its (nonzero) digits is 8960, while the sum is 33.

Adding to 11278401054 its reverse (45010487211), we get a palindrome (56288888265).

The spelling of 11278401054 in words is "eleven billion, two hundred seventy-eight million, four hundred one thousand, fifty-four".