51060155057 has 2 divisors, whose sum is σ = 51060155058. Its totient is φ = 51060155056.

The previous prime is 51060155021. The next prime is 51060155101. The reversal of 51060155057 is 75055106015.

51060155057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49837883536 + 1222271521 = 223244^2 + 34961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51060155057 is a prime.

It is a super-3 number, since 3×51060155057³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (51060155017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530077528 + 25530077529.

It is an arithmetic number, because the mean of its divisors is an integer number (25530077529).

Almost surely, 2^51060155057 is an apocalyptic number.

It is an amenable number.

51060155057 is a deficient number, since it is larger than the sum of its proper divisors (1).

51060155057 is an equidigital number, since it uses as much as digits as its factorization.

51060155057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 35.

The spelling of 51060155057 in words is "fifty-one billion, sixty million, one hundred fifty-five thousand, fifty-seven".