511101100106 has 4 divisors (see below), whose sum is σ = 766651650162. Its totient is φ = 255550550052.

The previous prime is 511101100019. The next prime is 511101100123. The reversal of 511101100106 is 601001101115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 502880957881 + 8220142225 = 709141^2 + 90665^2 .

It is a super-2 number, since 2×511101100106² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127775275025 + ... + 127775275028.

Almost surely, 2^511101100106 is an apocalyptic number.

511101100106 is a deficient number, since it is larger than the sum of its proper divisors (255550550056).

511101100106 is a wasteful number, since it uses less digits than its factorization.

511101100106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255550550055.

The product of its (nonzero) digits is 30, while the sum is 17.

The spelling of 511101100106 in words is "five hundred eleven billion, one hundred one million, one hundred thousand, one hundred six".