11487771029 has 32 divisors (see below), whose sum is σ = 14403796992. Its totient is φ = 8934624000.

The previous prime is 11487771011. The next prime is 11487771077. The reversal of 11487771029 is 92017778411.

It is a cyclic number.

It is not a de Polignac number, because 11487771029 - 2⁸ = 11487770773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487774029) 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 31 ways as a sum of consecutive naturals, for example, 993974 + ... + 1005464.

It is an arithmetic number, because the mean of its divisors is an integer number (450118656).

Almost surely, 2^11487771029 is an apocalyptic number.

It is an amenable number.

11487771029 is a deficient number, since it is larger than the sum of its proper divisors (2916025963).

11487771029 is a wasteful number, since it uses less digits than its factorization.

11487771029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817.

The product of its (nonzero) digits is 197568, while the sum is 47.

The spelling of 11487771029 in words is "eleven billion, four hundred eighty-seven million, seven hundred seventy-one thousand, twenty-nine".