720107521547 has 2 divisors, whose sum is σ = 720107521548. Its totient is φ = 720107521546.

The previous prime is 720107521501. The next prime is 720107521561. The reversal of 720107521547 is 745125701027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 720107521547 - 2²⁶ = 720040412683 is a prime.

It is not a weakly prime, because it can be changed into another prime (720107526547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360053760773 + 360053760774.

It is an arithmetic number, because the mean of its divisors is an integer number (360053760774).

Almost surely, 2^720107521547 is an apocalyptic number.

720107521547 is a deficient number, since it is larger than the sum of its proper divisors (1).

720107521547 is an equidigital number, since it uses as much as digits as its factorization.

720107521547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137200, while the sum is 41.

The spelling of 720107521547 in words is "seven hundred twenty billion, one hundred seven million, five hundred twenty-one thousand, five hundred forty-seven".