51541443122 has 8 divisors (see below), whose sum is σ = 83259254316. Its totient is φ = 23788358352.

The previous prime is 51541443119. The next prime is 51541443137. The reversal of 51541443122 is 22134414515.

It can be written as a sum of positive squares in 2 ways, for example, as 50517507121 + 1023936001 = 224761^2 + 31999^2 .

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

It is a super-2 number, since 2×51541443122² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991181573 + ... + 991181624.

Almost surely, 2^51541443122 is an apocalyptic number.

51541443122 is a deficient number, since it is larger than the sum of its proper divisors (31717811194).

51541443122 is a wasteful number, since it uses less digits than its factorization.

51541443122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982363212.

The product of its digits is 19200, while the sum is 32.

Adding to 51541443122 its reverse (22134414515), we get a palindrome (73675857637).

The spelling of 51541443122 in words is "fifty-one billion, five hundred forty-one million, four hundred forty-three thousand, one hundred twenty-two".