103640255011 has 2 divisors, whose sum is σ = 103640255012. Its totient is φ = 103640255010.

The previous prime is 103640255009. The next prime is 103640255021. The reversal of 103640255011 is 110552046301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103640255011 - 2¹ = 103640255009 is a prime.

It is a super-3 number, since 3×103640255011³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 103640255009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103640255021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51820127505 + 51820127506.

It is an arithmetic number, because the mean of its divisors is an integer number (51820127506).

Almost surely, 2^103640255011 is an apocalyptic number.

103640255011 is a deficient number, since it is larger than the sum of its proper divisors (1).

103640255011 is an equidigital number, since it uses as much as digits as its factorization.

103640255011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 103640255011 in words is "one hundred three billion, six hundred forty million, two hundred fifty-five thousand, eleven".