11405250255 has 32 divisors (see below), whose sum is σ = 21057813504. Its totient is φ = 5163204096.

The previous prime is 11405250223. The next prime is 11405250257. The reversal of 11405250255 is 55205250411.

It is not a de Polignac number, because 11405250255 - 2⁵ = 11405250223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405250257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516474 + ... + 538103.

It is an arithmetic number, because the mean of its divisors is an integer number (658056672).

Almost surely, 2^11405250255 is an apocalyptic number.

11405250255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11405250255 is a deficient number, since it is larger than the sum of its proper divisors (9652563249).

11405250255 is a wasteful number, since it uses less digits than its factorization.

11405250255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054695.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 11405250255 in words is "eleven billion, four hundred five million, two hundred fifty thousand, two hundred fifty-five".