11471051256 has 32 divisors (see below), whose sum is σ = 32774432640. Its totient is φ = 3277443168.

The previous prime is 11471051233. The next prime is 11471051269. The reversal of 11471051256 is 65215017411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34139866 + ... + 34140201.

It is an arithmetic number, because the mean of its divisors is an integer number (1024201020).

Almost surely, 2^11471051256 is an apocalyptic number.

It is an amenable number.

11471051256 is an abundant number, since it is smaller than the sum of its proper divisors (21303381384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11471051256 is a wasteful number, since it uses less digits than its factorization.

11471051256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68280083 (or 68280079 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

Adding to 11471051256 its reverse (65215017411), we get a palindrome (76686068667).

The spelling of 11471051256 in words is "eleven billion, four hundred seventy-one million, fifty-one thousand, two hundred fifty-six".