51010056011 has 8 divisors (see below), whose sum is σ = 52062614784. Its totient is φ = 49960834560.

The previous prime is 51010055977. The next prime is 51010056023. The reversal of 51010056011 is 11065001015.

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 51010056011 - 2⁶ = 51010055947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51016056011) 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, 803435 + ... + 864596.

It is an arithmetic number, because the mean of its divisors is an integer number (6507826848).

Almost surely, 2^51010056011 is an apocalyptic number.

51010056011 is a deficient number, since it is larger than the sum of its proper divisors (1052558773).

51010056011 is a wasteful number, since it uses less digits than its factorization.

51010056011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668661.

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

Adding to 51010056011 its reverse (11065001015), we get a palindrome (62075057026).

The spelling of 51010056011 in words is "fifty-one billion, ten million, fifty-six thousand, eleven".