101405506247 has 2 divisors, whose sum is σ = 101405506248. Its totient is φ = 101405506246.

The previous prime is 101405506201. The next prime is 101405506291. The reversal of 101405506247 is 742605504101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101405506247 - 2²² = 101401311943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101405506847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50702753123 + 50702753124.

It is an arithmetic number, because the mean of its divisors is an integer number (50702753124).

Almost surely, 2^101405506247 is an apocalyptic number.

101405506247 is a deficient number, since it is larger than the sum of its proper divisors (1).

101405506247 is an equidigital number, since it uses as much as digits as its factorization.

101405506247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 101405506247 in words is "one hundred one billion, four hundred five million, five hundred six thousand, two hundred forty-seven".