60511357891 has 2 divisors, whose sum is σ = 60511357892. Its totient is φ = 60511357890.

The previous prime is 60511357877. The next prime is 60511357901. The reversal of 60511357891 is 19875311506.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60511357891 - 2⁷ = 60511357763 is a prime.

It is not a weakly prime, because it can be changed into another prime (60511357831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30255678945 + 30255678946.

It is an arithmetic number, because the mean of its divisors is an integer number (30255678946).

Almost surely, 2^60511357891 is an apocalyptic number.

60511357891 is a deficient number, since it is larger than the sum of its proper divisors (1).

60511357891 is an equidigital number, since it uses as much as digits as its factorization.

60511357891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 60511357891 in words is "sixty billion, five hundred eleven million, three hundred fifty-seven thousand, eight hundred ninety-one".