10725280387 has 2 divisors, whose sum is σ = 10725280388. Its totient is φ = 10725280386.

The previous prime is 10725280261. The next prime is 10725280427. The reversal of 10725280387 is 78308252701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10725280387 is a prime.

It is not a weakly prime, because it can be changed into another prime (10725280187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5362640193 + 5362640194.

It is an arithmetic number, because the mean of its divisors is an integer number (5362640194).

Almost surely, 2^10725280387 is an apocalyptic number.

10725280387 is a deficient number, since it is larger than the sum of its proper divisors (1).

10725280387 is an equidigital number, since it uses as much as digits as its factorization.

10725280387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 10725280387 in words is "ten billion, seven hundred twenty-five million, two hundred eighty thousand, three hundred eighty-seven".