803825515136743 has 16 divisors (see below), whose sum is σ = 886764436646400. Its totient is φ = 722530777545280.

The previous prime is 803825515136717. The next prime is 803825515136747. The reversal of 803825515136743 is 347631515528308.

It is a de Polignac number, because none of the positive numbers 2^k-803825515136743 is a prime.

It is a super-2 number, since 2×803825515136743² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803825515136747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74042130 + ... + 84201472.

It is an arithmetic number, because the mean of its divisors is an integer number (55422777290400).

Almost surely, 2^{803825515136743} is an apocalyptic number.

803825515136743 is a deficient number, since it is larger than the sum of its proper divisors (82938921509657).

803825515136743 is a wasteful number, since it uses less digits than its factorization.

803825515136743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10240262.

The product of its (nonzero) digits is 72576000, while the sum is 61.

The spelling of 803825515136743 in words is "eight hundred three trillion, eight hundred twenty-five billion, five hundred fifteen million, one hundred thirty-six thousand, seven hundred forty-three".