100049811 has 16 divisors (see below), whose sum is σ = 142000128. Its totient is φ = 62441600.

The previous prime is 100049779. The next prime is 100049819. The reversal of 100049811 is 118940001.

It is a cyclic number.

It is not a de Polignac number, because 100049811 - 2⁵ = 100049779 is a prime.

It is a super-2 number, since 2×100049811² = 20019929362271442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100049819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4606 + ... + 14876.

It is an arithmetic number, because the mean of its divisors is an integer number (8875008).

Almost surely, 2^100049811 is an apocalyptic number.

100049811 is a deficient number, since it is larger than the sum of its proper divisors (41950317).

100049811 is a wasteful number, since it uses less digits than its factorization.

100049811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10482.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 100049811 is about 10002.4902399353. The cubic root of 100049811 is about 464.2359379626.

Adding to 100049811 its reverse (118940001), we get a palindrome (218989812).

The spelling of 100049811 in words is "one hundred million, forty-nine thousand, eight hundred eleven".