100072051999 has 2 divisors, whose sum is σ = 100072052000. Its totient is φ = 100072051998.

The previous prime is 100072051993. The next prime is 100072052021. The reversal of 100072051999 is 999150270001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100072051999 - 2¹¹ = 100072049951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100072051993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50036025999 + 50036026000.

It is an arithmetic number, because the mean of its divisors is an integer number (50036026000).

Almost surely, 2^100072051999 is an apocalyptic number.

100072051999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100072051999 is an equidigital number, since it uses as much as digits as its factorization.

100072051999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 43.

The spelling of 100072051999 in words is "one hundred billion, seventy-two million, fifty-one thousand, nine hundred ninety-nine".