51261822301 has 8 divisors (see below), whose sum is σ = 52919083008. Its totient is φ = 49604790000.

The previous prime is 51261822289. The next prime is 51261822349. The reversal of 51261822301 is 10322816215.

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 51261822301 - 2²⁷ = 51127604573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51291822301) 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, 479076 + ... + 576226.

It is an arithmetic number, because the mean of its divisors is an integer number (6614885376).

Almost surely, 2^51261822301 is an apocalyptic number.

It is an amenable number.

51261822301 is a deficient number, since it is larger than the sum of its proper divisors (1657260707).

51261822301 is a wasteful number, since it uses less digits than its factorization.

51261822301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114203.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 51261822301 in words is "fifty-one billion, two hundred sixty-one million, eight hundred twenty-two thousand, three hundred one".