56111151212 has 6 divisors (see below), whose sum is σ = 98194514628. Its totient is φ = 28055575604.

The previous prime is 56111151209. The next prime is 56111151287. The reversal of 56111151212 is 21215111165.

It is a happy number.

It is a super-2 number, since 2×56111151212² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7013893898 + ... + 7013893905.

It is an arithmetic number, because the mean of its divisors is an integer number (16365752438).

Almost surely, 2^56111151212 is an apocalyptic number.

It is an amenable number.

56111151212 is a deficient number, since it is larger than the sum of its proper divisors (42083363416).

56111151212 is a wasteful number, since it uses less digits than its factorization.

56111151212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14027787807 (or 14027787805 counting only the distinct ones).

The product of its digits is 600, while the sum is 26.

Adding to 56111151212 its reverse (21215111165), we get a palindrome (77326262377).

The spelling of 56111151212 in words is "fifty-six billion, one hundred eleven million, one hundred fifty-one thousand, two hundred twelve".