133311747061 has 2 divisors, whose sum is σ = 133311747062. Its totient is φ = 133311747060.

The previous prime is 133311747053. The next prime is 133311747103. The reversal of 133311747061 is 160747113331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132427576836 + 884170225 = 363906^2 + 29735^2 .

It is a cyclic number.

It is not a de Polignac number, because 133311747061 - 2³ = 133311747053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133311747061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133311747011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655873530 + 66655873531.

It is an arithmetic number, because the mean of its divisors is an integer number (66655873531).

Almost surely, 2^133311747061 is an apocalyptic number.

It is an amenable number.

133311747061 is a deficient number, since it is larger than the sum of its proper divisors (1).

133311747061 is an equidigital number, since it uses as much as digits as its factorization.

133311747061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 133311747061 in words is "one hundred thirty-three billion, three hundred eleven million, seven hundred forty-seven thousand, sixty-one".