101855051 has 2 divisors, whose sum is σ = 101855052. Its totient is φ = 101855050.

The previous prime is 101855009. The next prime is 101855069. The reversal of 101855051 is 150558101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101855051 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101855051.

It is not a weakly prime, because it can be changed into another prime (101857051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50927525 + 50927526.

It is an arithmetic number, because the mean of its divisors is an integer number (50927526).

Almost surely, 2^101855051 is an apocalyptic number.

101855051 is a deficient number, since it is larger than the sum of its proper divisors (1).

101855051 is an equidigital number, since it uses as much as digits as its factorization.

101855051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 26.

The square root of 101855051 is about 10092.3263423256. The cubic root of 101855051 is about 467.0114445884.

The spelling of 101855051 in words is "one hundred one million, eight hundred fifty-five thousand, fifty-one".