15466552261 has 2 divisors, whose sum is σ = 15466552262. Its totient is φ = 15466552260.

The previous prime is 15466552259. The next prime is 15466552279. The reversal of 15466552261 is 16225566451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12889060900 + 2577491361 = 113530^2 + 50769^2 .

It is a cyclic number.

It is not a de Polignac number, because 15466552261 - 2¹ = 15466552259 is a prime.

Together with 15466552259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15466552291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7733276130 + 7733276131.

It is an arithmetic number, because the mean of its divisors is an integer number (7733276131).

Almost surely, 2^15466552261 is an apocalyptic number.

It is an amenable number.

15466552261 is a deficient number, since it is larger than the sum of its proper divisors (1).

15466552261 is an equidigital number, since it uses as much as digits as its factorization.

15466552261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432000, while the sum is 43.

The spelling of 15466552261 in words is "fifteen billion, four hundred sixty-six million, five hundred fifty-two thousand, two hundred sixty-one".