100720031725003 has 2 divisors, whose sum is σ = 100720031725004. Its totient is φ = 100720031725002.

The previous prime is 100720031724913. The next prime is 100720031725031. The reversal of 100720031725003 is 300527130027001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100720031725003 is a prime.

It is a super-2 number, since 2×100720031725003² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100720031725073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50360015862501 + 50360015862502.

It is an arithmetic number, because the mean of its divisors is an integer number (50360015862502).

Almost surely, 2^{100720031725003} is an apocalyptic number.

100720031725003 is a deficient number, since it is larger than the sum of its proper divisors (1).

100720031725003 is an equidigital number, since it uses as much as digits as its factorization.

100720031725003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The spelling of 100720031725003 in words is "one hundred trillion, seven hundred twenty billion, thirty-one million, seven hundred twenty-five thousand, three".