100047911 has 2 divisors, whose sum is σ = 100047912. Its totient is φ = 100047910.

The previous prime is 100047859. The next prime is 100047947. The reversal of 100047911 is 119740001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100047911 - 2²² = 95853607 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100047511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50023955 + 50023956.

It is an arithmetic number, because the mean of its divisors is an integer number (50023956).

Almost surely, 2^100047911 is an apocalyptic number.

100047911 is a deficient number, since it is larger than the sum of its proper divisors (1).

100047911 is an equidigital number, since it uses as much as digits as its factorization.

100047911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 100047911 is about 10002.3952631357. The cubic root of 100047911 is about 464.2329992469.

Adding to 100047911 its reverse (119740001), we get a palindrome (219787912).

The spelling of 100047911 in words is "one hundred million, forty-seven thousand, nine hundred eleven".