103640255111 has 4 divisors (see below), whose sum is σ = 109095005400. Its totient is φ = 98185504824.

The previous prime is 103640255021. The next prime is 103640255143. The reversal of 103640255111 is 111552046301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111552046301 = 79 ⋅1412051219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103640255111 is a prime.

It is a super-3 number, since 3×103640255111³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103640255011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2727375116 + ... + 2727375153.

It is an arithmetic number, because the mean of its divisors is an integer number (27273751350).

Almost surely, 2^103640255111 is an apocalyptic number.

103640255111 is a deficient number, since it is larger than the sum of its proper divisors (5454750289).

103640255111 is an equidigital number, since it uses as much as digits as its factorization.

103640255111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454750288.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 103640255111 in words is "one hundred three billion, six hundred forty million, two hundred fifty-five thousand, one hundred eleven".