56151011 has 12 divisors (see below), whose sum is σ = 65759760. Its totient is φ = 47804400.

The previous prime is 56151001. The next prime is 56151019. The reversal of 56151011 is 11015165.

It is a de Polignac number, because none of the positive numbers 2^k-56151011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56151019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3605 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (5479980).

Almost surely, 2^56151011 is an apocalyptic number.

56151011 is a deficient number, since it is larger than the sum of its proper divisors (9608749).

56151011 is a wasteful number, since it uses less digits than its factorization.

56151011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7754 (or 7747 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 56151011 is about 7493.3978274211. The cubic root of 56151011 is about 382.9298250995.

Adding to 56151011 its reverse (11015165), we get a palindrome (67166176).

It can be divided in two parts, 5615 and 1011, that multiplied together give a palindrome (5676765).

The spelling of 56151011 in words is "fifty-six million, one hundred fifty-one thousand, eleven".