15385270112461 has 2 divisors, whose sum is σ = 15385270112462. Its totient is φ = 15385270112460.

The previous prime is 15385270112453. The next prime is 15385270112539. The reversal of 15385270112461 is 16421107258351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14794939123561 + 590330988900 = 3846419^2 + 768330^2 .

It is a cyclic number.

It is not a de Polignac number, because 15385270112461 - 2³ = 15385270112453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15385270112761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7692635056230 + 7692635056231.

It is an arithmetic number, because the mean of its divisors is an integer number (7692635056231).

Almost surely, 2^{15385270112461} is an apocalyptic number.

It is an amenable number.

15385270112461 is a deficient number, since it is larger than the sum of its proper divisors (1).

15385270112461 is an equidigital number, since it uses as much as digits as its factorization.

15385270112461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 15385270112461 in words is "fifteen trillion, three hundred eighty-five billion, two hundred seventy million, one hundred twelve thousand, four hundred sixty-one".