10516154881 has 2 divisors, whose sum is σ = 10516154882. Its totient is φ = 10516154880.

The previous prime is 10516154879. The next prime is 10516154897. The reversal of 10516154881 is 18845161501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8096400400 + 2419754481 = 89980^2 + 49191^2 .

It is a cyclic number.

It is not a de Polignac number, because 10516154881 - 2¹ = 10516154879 is a prime.

It is a super-2 number, since 2×10516154881² (a number of 21 digits) contains 22 as substring.

Together with 10516154879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10516154851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5258077440 + 5258077441.

It is an arithmetic number, because the mean of its divisors is an integer number (5258077441).

Almost surely, 2^10516154881 is an apocalyptic number.

It is an amenable number.

10516154881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10516154881 is an equidigital number, since it uses as much as digits as its factorization.

10516154881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 40.

The spelling of 10516154881 in words is "ten billion, five hundred sixteen million, one hundred fifty-four thousand, eight hundred eighty-one".