5181297800903 has 6 divisors (see below), whose sum is σ = 6027223972536. Its totient is φ = 4441112400732.

The previous prime is 5181297800893. The next prime is 5181297800963. The reversal of 5181297800903 is 3090087921815.

It is a happy number.

It is not a de Polignac number, because 5181297800903 - 2⁸ = 5181297800647 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 (5181297800963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52870385675 + ... + 52870385772.

It is an arithmetic number, because the mean of its divisors is an integer number (1004537328756).

Almost surely, 2^{5181297800903} is an apocalyptic number.

5181297800903 is a deficient number, since it is larger than the sum of its proper divisors (845926171633).

5181297800903 is a wasteful number, since it uses less digits than its factorization.

5181297800903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105740771461 (or 105740771454 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 5181297800903 in words is "five trillion, one hundred eighty-one billion, two hundred ninety-seven million, eight hundred thousand, nine hundred three".