56010661501 has 8 divisors (see below), whose sum is σ = 56698102944. Its totient is φ = 55323520560.

The previous prime is 56010661471. The next prime is 56010661517. The reversal of 56010661501 is 10516601065.

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

It is a cyclic number.

It is not a de Polignac number, because 56010661501 - 2⁷ = 56010661373 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 (56010661001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312106 + ... + 457636.

It is an arithmetic number, because the mean of its divisors is an integer number (7087262868).

Almost surely, 2^56010661501 is an apocalyptic number.

It is an amenable number.

56010661501 is a deficient number, since it is larger than the sum of its proper divisors (687441443).

56010661501 is a wasteful number, since it uses less digits than its factorization.

56010661501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150251.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 56010661501 in words is "fifty-six billion, ten million, six hundred sixty-one thousand, five hundred one".