56271651105 has 16 divisors (see below), whose sum is σ = 90155836800. Its totient is φ = 29971148928.

The previous prime is 56271651101. The next prime is 56271651113. The reversal of 56271651105 is 50115617265.

It is a happy number.

It is not a de Polignac number, because 56271651105 - 2² = 56271651101 is a prime.

It is a super-3 number, since 3×56271651105³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56271651101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2513380 + ... + 2535669.

It is an arithmetic number, because the mean of its divisors is an integer number (5634739800).

Almost surely, 2^56271651105 is an apocalyptic number.

It is an amenable number.

56271651105 is a deficient number, since it is larger than the sum of its proper divisors (33884185695).

56271651105 is a wasteful number, since it uses less digits than its factorization.

56271651105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049800.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 56271651105 in words is "fifty-six billion, two hundred seventy-one million, six hundred fifty-one thousand, one hundred five".