66060511031 has 2 divisors, whose sum is σ = 66060511032. Its totient is φ = 66060511030.

The previous prime is 66060511001. The next prime is 66060511051. The reversal of 66060511031 is 13011506066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66060511031 - 2³⁰ = 64986769207 is a prime.

It is a super-2 number, since 2×66060511031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66060510985 and 66060511003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66060511001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33030255515 + 33030255516.

It is an arithmetic number, because the mean of its divisors is an integer number (33030255516).

Almost surely, 2^66060511031 is an apocalyptic number.

66060511031 is a deficient number, since it is larger than the sum of its proper divisors (1).

66060511031 is an equidigital number, since it uses as much as digits as its factorization.

66060511031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 66060511031 in words is "sixty-six billion, sixty million, five hundred eleven thousand, thirty-one".