11171406254 has 4 divisors (see below), whose sum is σ = 16757109384. Its totient is φ = 5585703126.

The previous prime is 11171406251. The next prime is 11171406313. The reversal of 11171406254 is 45260417111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11171406254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11171406251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2792851562 + ... + 2792851565.

It is an arithmetic number, because the mean of its divisors is an integer number (4189277346).

Almost surely, 2^11171406254 is an apocalyptic number.

11171406254 is a deficient number, since it is larger than the sum of its proper divisors (5585703130).

11171406254 is an equidigital number, since it uses as much as digits as its factorization.

11171406254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585703129.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 11171406254 in words is "eleven billion, one hundred seventy-one million, four hundred six thousand, two hundred fifty-four".