10206256423537 has 2 divisors, whose sum is σ = 10206256423538. Its totient is φ = 10206256423536.

The previous prime is 10206256423513. The next prime is 10206256423543. The reversal of 10206256423537 is 73532465260201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9864316844001 + 341939579536 = 3140751^2 + 584756^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206256423537 - 2⁷ = 10206256423409 is a prime.

It is not a weakly prime, because it can be changed into another prime (10206256423567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103128211768 + 5103128211769.

It is an arithmetic number, because the mean of its divisors is an integer number (5103128211769).

Almost surely, 2^{10206256423537} is an apocalyptic number.

It is an amenable number.

10206256423537 is a deficient number, since it is larger than the sum of its proper divisors (1).

10206256423537 is an equidigital number, since it uses as much as digits as its factorization.

10206256423537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 10206256423537 in words is "ten trillion, two hundred six billion, two hundred fifty-six million, four hundred twenty-three thousand, five hundred thirty-seven".