63800528011 has 16 divisors (see below), whose sum is σ = 70326741888. Its totient is φ = 57875718120.

The previous prime is 63800528009. The next prime is 63800528027. The reversal of 63800528011 is 11082500836.

It is not a de Polignac number, because 63800528011 - 2¹ = 63800528009 is a prime.

It is a super-2 number, since 2×63800528011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63800528111) 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, 570256 + ... + 672898.

It is an arithmetic number, because the mean of its divisors is an integer number (4395421368).

Almost surely, 2^63800528011 is an apocalyptic number.

63800528011 is a deficient number, since it is larger than the sum of its proper divisors (6526213877).

63800528011 is a wasteful number, since it uses less digits than its factorization.

63800528011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103143 (or 103121 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 63800528011 in words is "sixty-three billion, eight hundred million, five hundred twenty-eight thousand, eleven".