10518621301 has 2 divisors, whose sum is σ = 10518621302. Its totient is φ = 10518621300.

The previous prime is 10518621287. The next prime is 10518621409. The reversal of 10518621301 is 10312681501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10091207025 + 427414276 = 100455^2 + 20674^2 .

It is an emirp because it is prime and its reverse (10312681501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10518621301 - 2³¹ = 8371137653 is a prime.

It is a super-2 number, since 2×10518621301² (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 10518621301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10518624301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5259310650 + 5259310651.

It is an arithmetic number, because the mean of its divisors is an integer number (5259310651).

Almost surely, 2^10518621301 is an apocalyptic number.

It is an amenable number.

10518621301 is a deficient number, since it is larger than the sum of its proper divisors (1).

10518621301 is an equidigital number, since it uses as much as digits as its factorization.

10518621301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 10518621301 in words is "ten billion, five hundred eighteen million, six hundred twenty-one thousand, three hundred one".