101918149814951 has 2 divisors, whose sum is σ = 101918149814952. Its totient is φ = 101918149814950.

The previous prime is 101918149814851. The next prime is 101918149815047. The reversal of 101918149814951 is 159418941819101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101918149814951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101918149814851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50959074907475 + 50959074907476.

It is an arithmetic number, because the mean of its divisors is an integer number (50959074907476).

Almost surely, 2^{101918149814951} is an apocalyptic number.

101918149814951 is a deficient number, since it is larger than the sum of its proper divisors (1).

101918149814951 is an equidigital number, since it uses as much as digits as its factorization.

101918149814951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 62.

The spelling of 101918149814951 in words is "one hundred one trillion, nine hundred eighteen billion, one hundred forty-nine million, eight hundred fourteen thousand, nine hundred fifty-one".