15275653671461 has 2 divisors, whose sum is σ = 15275653671462. Its totient is φ = 15275653671460.

The previous prime is 15275653671407. The next prime is 15275653671503. The reversal of 15275653671461 is 16417635657251.

It is a happy number.

15275653671461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14873594956900 + 402058714561 = 3856630^2 + 634081^2 .

It is a cyclic number.

It is not a de Polignac number, because 15275653671461 - 2³⁸ = 15000775764517 is a prime.

It is a super-3 number, since 3×15275653671461³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15275653671461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15275653671961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7637826835730 + 7637826835731.

It is an arithmetic number, because the mean of its divisors is an integer number (7637826835731).

Almost surely, 2^{15275653671461} is an apocalyptic number.

It is an amenable number.

15275653671461 is a deficient number, since it is larger than the sum of its proper divisors (1).

15275653671461 is an equidigital number, since it uses as much as digits as its factorization.

15275653671461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752000, while the sum is 59.

The spelling of 15275653671461 in words is "fifteen trillion, two hundred seventy-five billion, six hundred fifty-three million, six hundred seventy-one thousand, four hundred sixty-one".