72130813041503 has 4 divisors (see below), whose sum is σ = 72130928227608. Its totient is φ = 72130697855400.

The previous prime is 72130813041499. The next prime is 72130813041533. The reversal of 72130813041503 is 30514031803127.

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 72130813041503 - 2² = 72130813041499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72130813041533) 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, 56648573 + ... + 57907878.

It is an arithmetic number, because the mean of its divisors is an integer number (18032732056902).

Almost surely, 2^{72130813041503} is an apocalyptic number.

72130813041503 is a deficient number, since it is larger than the sum of its proper divisors (115186105).

72130813041503 is a wasteful number, since it uses less digits than its factorization.

72130813041503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115186104.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 72130813041503 in words is "seventy-two trillion, one hundred thirty billion, eight hundred thirteen million, forty-one thousand, five hundred three".