101045251999 has 2 divisors, whose sum is σ = 101045252000. Its totient is φ = 101045251998.

The previous prime is 101045251987. The next prime is 101045252039. The reversal of 101045251999 is 999152540101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101045251999 - 2¹⁷ = 101045120927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101045251969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50522625999 + 50522626000.

It is an arithmetic number, because the mean of its divisors is an integer number (50522626000).

Almost surely, 2^101045251999 is an apocalyptic number.

101045251999 is a deficient number, since it is larger than the sum of its proper divisors (1).

101045251999 is an equidigital number, since it uses as much as digits as its factorization.

101045251999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 46.

The spelling of 101045251999 in words is "one hundred one billion, forty-five million, two hundred fifty-one thousand, nine hundred ninety-nine".