11406771771 has 16 divisors (see below), whose sum is σ = 16164944640. Its totient is φ = 7134328800.

The previous prime is 11406771751. The next prime is 11406771793. The reversal of 11406771771 is 17717760411.

It is not a de Polignac number, because 11406771771 - 2¹⁰ = 11406770747 is a prime.

It is a super-2 number, since 2×11406771771² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11406771751) 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 15 ways as a sum of consecutive naturals, for example, 965580 + ... + 977321.

It is an arithmetic number, because the mean of its divisors is an integer number (1010309040).

Almost surely, 2^11406771771 is an apocalyptic number.

11406771771 is a deficient number, since it is larger than the sum of its proper divisors (4758172869).

11406771771 is a wasteful number, since it uses less digits than its factorization.

11406771771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943026.

The product of its (nonzero) digits is 57624, while the sum is 42.

The spelling of 11406771771 in words is "eleven billion, four hundred six million, seven hundred seventy-one thousand, seven hundred seventy-one".