51151657027 has 2 divisors, whose sum is σ = 51151657028. Its totient is φ = 51151657026.

The previous prime is 51151657009. The next prime is 51151657049. The reversal of 51151657027 is 72075615115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51151657027 - 2²³ = 51143268419 is a prime.

It is not a weakly prime, because it can be changed into another prime (51151657327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25575828513 + 25575828514.

It is an arithmetic number, because the mean of its divisors is an integer number (25575828514).

Almost surely, 2^51151657027 is an apocalyptic number.

51151657027 is a deficient number, since it is larger than the sum of its proper divisors (1).

51151657027 is an equidigital number, since it uses as much as digits as its factorization.

51151657027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73500, while the sum is 40.

The spelling of 51151657027 in words is "fifty-one billion, one hundred fifty-one million, six hundred fifty-seven thousand, twenty-seven".