101151049999 has 4 divisors (see below), whose sum is σ = 101153303064. Its totient is φ = 101148796936.

The previous prime is 101151049991. The next prime is 101151050017. The reversal of 101151049999 is 999940151101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999940151101 = 2207 ⋅453076643.

It is a cyclic number.

It is not a de Polignac number, because 101151049999 - 2³ = 101151049991 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101151049991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057792 + ... + 1149445.

It is an arithmetic number, because the mean of its divisors is an integer number (25288325766).

Almost surely, 2^101151049999 is an apocalyptic number.

101151049999 is a deficient number, since it is larger than the sum of its proper divisors (2253065).

101151049999 is an equidigital number, since it uses as much as digits as its factorization.

101151049999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253064.

The product of its (nonzero) digits is 131220, while the sum is 49.

The spelling of 101151049999 in words is "one hundred one billion, one hundred fifty-one million, forty-nine thousand, nine hundred ninety-nine".