56151623163233 has 8 divisors (see below), whose sum is σ = 60471440275176. Its totient is φ = 51831871977600.

The previous prime is 56151623163199. The next prime is 56151623163247. The reversal of 56151623163233 is 33236132615165.

It can be written as a sum of positive squares in 4 ways, for example, as 7518277264 + 56144104885969 = 86708^2 + 7492937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-56151623163233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56151623163263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14705498 + ... + 18126083.

It is an arithmetic number, because the mean of its divisors is an integer number (7558930034397).

Almost surely, 2^{56151623163233} is an apocalyptic number.

It is an amenable number.

56151623163233 is a deficient number, since it is larger than the sum of its proper divisors (4319817111943).

56151623163233 is a wasteful number, since it uses less digits than its factorization.

56151623163233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32963155.

The product of its digits is 1749600, while the sum is 47.

Adding to 56151623163233 its reverse (33236132615165), we get a palindrome (89387755778398).

The spelling of 56151623163233 in words is "fifty-six trillion, one hundred fifty-one billion, six hundred twenty-three million, one hundred sixty-three thousand, two hundred thirty-three".