10534551581 has 2 divisors, whose sum is σ = 10534551582. Its totient is φ = 10534551580.

The previous prime is 10534551541. The next prime is 10534551611. The reversal of 10534551581 is 18515543501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7743120025 + 2791431556 = 87995^2 + 52834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10534551581 is a prime.

It is a super-2 number, since 2×10534551581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10534551541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5267275790 + 5267275791.

It is an arithmetic number, because the mean of its divisors is an integer number (5267275791).

Almost surely, 2^10534551581 is an apocalyptic number.

It is an amenable number.

10534551581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10534551581 is an equidigital number, since it uses as much as digits as its factorization.

10534551581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60000, while the sum is 38.

The spelling of 10534551581 in words is "ten billion, five hundred thirty-four million, five hundred fifty-one thousand, five hundred eighty-one".