51651157043 has 2 divisors, whose sum is σ = 51651157044. Its totient is φ = 51651157042.

The previous prime is 51651157039. The next prime is 51651157127. The reversal of 51651157043 is 34075115615.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51651157043 - 2² = 51651157039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51651156988 and 51651157006.

It is not a weakly prime, because it can be changed into another prime (51651157003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25825578521 + 25825578522.

It is an arithmetic number, because the mean of its divisors is an integer number (25825578522).

Almost surely, 2^51651157043 is an apocalyptic number.

51651157043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51651157043 is an equidigital number, since it uses as much as digits as its factorization.

51651157043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 51651157043 in words is "fifty-one billion, six hundred fifty-one million, one hundred fifty-seven thousand, forty-three".