10511454557 has 2 divisors, whose sum is σ = 10511454558. Its totient is φ = 10511454556.

The previous prime is 10511454539. The next prime is 10511454563. The reversal of 10511454557 is 75545411501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7826763961 + 2684690596 = 88469^2 + 51814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10511454557 is a prime.

It is a super-2 number, since 2×10511454557² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10511454557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10511454157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255727278 + 5255727279.

It is an arithmetic number, because the mean of its divisors is an integer number (5255727279).

Almost surely, 2^10511454557 is an apocalyptic number.

It is an amenable number.

10511454557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10511454557 is an equidigital number, since it uses as much as digits as its factorization.

10511454557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70000, while the sum is 38.

The spelling of 10511454557 in words is "ten billion, five hundred eleven million, four hundred fifty-four thousand, five hundred fifty-seven".