56151622011 has 4 divisors (see below), whose sum is σ = 74868829352. Its totient is φ = 37434414672.

The previous prime is 56151622003. The next prime is 56151622019. The reversal of 56151622011 is 11022615165.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56151622003) and next prime (56151622019).

It is not a de Polignac number, because 56151622011 - 2³ = 56151622003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56151622011.

It is not an unprimeable number, because it can be changed into a prime (56151622019) 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 3 ways as a sum of consecutive naturals, for example, 9358603666 + ... + 9358603671.

It is an arithmetic number, because the mean of its divisors is an integer number (18717207338).

Almost surely, 2^56151622011 is an apocalyptic number.

56151622011 is a deficient number, since it is larger than the sum of its proper divisors (18717207341).

56151622011 is a wasteful number, since it uses less digits than its factorization.

56151622011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18717207340.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 56151622011 in words is "fifty-six billion, one hundred fifty-one million, six hundred twenty-two thousand, eleven".