103450726015465 has 4 divisors (see below), whose sum is σ = 124140871218564. Its totient is φ = 82760580812368.

The previous prime is 103450726015459. The next prime is 103450726015477. The reversal of 103450726015465 is 564510627054301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62544941663296 + 40905784352169 = 7908536^2 + 6395763^2 .

It is a cyclic number.

It is not a de Polignac number, because 103450726015465 - 2²⁷ = 103450591797737 is a prime.

It is a super-4 number, since 4×103450726015465⁴ (a number of 57 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10345072601542 + ... + 10345072601551.

It is an arithmetic number, because the mean of its divisors is an integer number (31035217804641).

Almost surely, 2^{103450726015465} is an apocalyptic number.

It is an amenable number.

103450726015465 is a deficient number, since it is larger than the sum of its proper divisors (20690145203099).

103450726015465 is an equidigital number, since it uses as much as digits as its factorization.

103450726015465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20690145203098.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 103450726015465 in words is "one hundred three trillion, four hundred fifty billion, seven hundred twenty-six million, fifteen thousand, four hundred sixty-five".