10155256789 has 2 divisors, whose sum is σ = 10155256790. Its totient is φ = 10155256788.

The previous prime is 10155256733. The next prime is 10155256871. The reversal of 10155256789 is 98765255101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9908609764 + 246647025 = 99542^2 + 15705^2 .

It is a cyclic number.

It is not a de Polignac number, because 10155256789 - 2²³ = 10146868181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10155256589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077628394 + 5077628395.

It is an arithmetic number, because the mean of its divisors is an integer number (5077628395).

Almost surely, 2^10155256789 is an apocalyptic number.

It is an amenable number.

10155256789 is a deficient number, since it is larger than the sum of its proper divisors (1).

10155256789 is an equidigital number, since it uses as much as digits as its factorization.

10155256789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 49.

The spelling of 10155256789 in words is "ten billion, one hundred fifty-five million, two hundred fifty-six thousand, seven hundred eighty-nine".