51541103321 has 8 divisors (see below), whose sum is σ = 53183597544. Its totient is φ = 49916961280.

The previous prime is 51541103249. The next prime is 51541103329. The reversal of 51541103321 is 12330114515.

It can be written as a sum of positive squares in 4 ways, for example, as 165894400 + 51375208921 = 12880^2 + 226661^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51541103321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51541103329) 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, 4582340 + ... + 4593573.

It is an arithmetic number, because the mean of its divisors is an integer number (6647949693).

Almost surely, 2^51541103321 is an apocalyptic number.

It is an amenable number.

51541103321 is a deficient number, since it is larger than the sum of its proper divisors (1642494223).

51541103321 is a wasteful number, since it uses less digits than its factorization.

51541103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176091.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 51541103321 its reverse (12330114515), we get a palindrome (63871217836).

The spelling of 51541103321 in words is "fifty-one billion, five hundred forty-one million, one hundred three thousand, three hundred twenty-one".