15213040547129 has 2 divisors, whose sum is σ = 15213040547130. Its totient is φ = 15213040547128.

The previous prime is 15213040547119. The next prime is 15213040547189. The reversal of 15213040547129 is 92174504031251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14505167359225 + 707873187904 = 3808565^2 + 841352^2 .

It is an emirp because it is prime and its reverse (92174504031251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15213040547129 - 2²⁸ = 15212772111673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15213040547129.

It is not a weakly prime, because it can be changed into another prime (15213040547119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7606520273564 + 7606520273565.

It is an arithmetic number, because the mean of its divisors is an integer number (7606520273565).

Almost surely, 2^{15213040547129} is an apocalyptic number.

It is an amenable number.

15213040547129 is a deficient number, since it is larger than the sum of its proper divisors (1).

15213040547129 is an equidigital number, since it uses as much as digits as its factorization.

15213040547129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 15213040547129 in words is "fifteen trillion, two hundred thirteen billion, forty million, five hundred forty-seven thousand, one hundred twenty-nine".