102550505011 has 4 divisors (see below), whose sum is σ = 102551772400. Its totient is φ = 102549237624.

The previous prime is 102550504933. The next prime is 102550505021. The reversal of 102550505011 is 110505055201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110505055201 = 2237 ⋅49398773.

It is a cyclic number.

It is not a de Polignac number, because 102550505011 - 2⁷ = 102550504883 is a prime.

It is a super-2 number, since 2×102550505011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102550505021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503391 + ... + 677128.

It is an arithmetic number, because the mean of its divisors is an integer number (25637943100).

Almost surely, 2^102550505011 is an apocalyptic number.

102550505011 is a deficient number, since it is larger than the sum of its proper divisors (1267389).

102550505011 is an equidigital number, since it uses as much as digits as its factorization.

102550505011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267388.

The product of its (nonzero) digits is 1250, while the sum is 25.

The spelling of 102550505011 in words is "one hundred two billion, five hundred fifty million, five hundred five thousand, eleven".