11405122355 has 32 divisors (see below), whose sum is σ = 15594536448. Its totient is φ = 7926336000.

The previous prime is 11405122321. The next prime is 11405122373. The reversal of 11405122355 is 55322150411.

It is not a de Polignac number, because 11405122355 - 2¹² = 11405118259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1515512 + ... + 1523018.

It is an arithmetic number, because the mean of its divisors is an integer number (487329264).

Almost surely, 2^11405122355 is an apocalyptic number.

11405122355 is a deficient number, since it is larger than the sum of its proper divisors (4189414093).

11405122355 is a wasteful number, since it uses less digits than its factorization.

11405122355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 11405122355 its reverse (55322150411), we get a palindrome (66727272766).

The spelling of 11405122355 in words is "eleven billion, four hundred five million, one hundred twenty-two thousand, three hundred fifty-five".