103851718383451 has 4 divisors (see below), whose sum is σ = 103999866341904. Its totient is φ = 103703570425000.

The previous prime is 103851718383437. The next prime is 103851718383473. The reversal of 103851718383451 is 154383817158301.

It is a happy number.

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 103851718383451 - 2⁹ = 103851718382939 is a prime.

It is a super-2 number, since 2×103851718383451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103851718383551) 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, 74073978175 + ... + 74073979576.

It is an arithmetic number, because the mean of its divisors is an integer number (25999966585476).

Almost surely, 2^{103851718383451} is an apocalyptic number.

103851718383451 is a deficient number, since it is larger than the sum of its proper divisors (148147958453).

103851718383451 is an equidigital number, since it uses as much as digits as its factorization.

103851718383451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148147958452.

The product of its (nonzero) digits is 9676800, while the sum is 58.

The spelling of 103851718383451 in words is "one hundred three trillion, eight hundred fifty-one billion, seven hundred eighteen million, three hundred eighty-three thousand, four hundred fifty-one".