103742640851 has 4 divisors (see below), whose sum is σ = 103786845432. Its totient is φ = 103698436272.

The previous prime is 103742640821. The next prime is 103742640863. The reversal of 103742640851 is 158046247301.

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

It is a cyclic number.

It is not a de Polignac number, because 103742640851 - 2²⁶ = 103675531987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103742640799 and 103742640808.

It is not an unprimeable number, because it can be changed into a prime (103742640821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22098770 + ... + 22103463.

It is an arithmetic number, because the mean of its divisors is an integer number (25946711358).

Almost surely, 2^103742640851 is an apocalyptic number.

103742640851 is a deficient number, since it is larger than the sum of its proper divisors (44204581).

103742640851 is an equidigital number, since it uses as much as digits as its factorization.

103742640851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44204580.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 103742640851 in words is "one hundred three billion, seven hundred forty-two million, six hundred forty thousand, eight hundred fifty-one".