10513145641 has 2 divisors, whose sum is σ = 10513145642. Its totient is φ = 10513145640.

The previous prime is 10513145633. The next prime is 10513145663. The reversal of 10513145641 is 14654131501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8731968025 + 1781177616 = 93445^2 + 42204^2 .

It is a cyclic number.

It is not a de Polignac number, because 10513145641 - 2³ = 10513145633 is a prime.

It is a super-2 number, since 2×10513145641² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10513146641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256572820 + 5256572821.

It is an arithmetic number, because the mean of its divisors is an integer number (5256572821).

Almost surely, 2^10513145641 is an apocalyptic number.

It is an amenable number.

10513145641 is a deficient number, since it is larger than the sum of its proper divisors (1).

10513145641 is an equidigital number, since it uses as much as digits as its factorization.

10513145641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 10513145641 in words is "ten billion, five hundred thirteen million, one hundred forty-five thousand, six hundred forty-one".