1514621081317 has 2 divisors, whose sum is σ = 1514621081318. Its totient is φ = 1514621081316.

The previous prime is 1514621081287. The next prime is 1514621081357. The reversal of 1514621081317 is 7131801264151.

It is a happy number.

It is an a-pointer prime, because the next prime (1514621081357) can be obtained adding 1514621081317 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1218564300996 + 296056780321 = 1103886^2 + 544111^2 .

It is a cyclic number.

It is not a de Polignac number, because 1514621081317 - 2¹⁹ = 1514620557029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1514621081317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1514621081357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757310540658 + 757310540659.

It is an arithmetic number, because the mean of its divisors is an integer number (757310540659).

Almost surely, 2^{1514621081317} is an apocalyptic number.

It is an amenable number.

1514621081317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1514621081317 is an equidigital number, since it uses as much as digits as its factorization.

1514621081317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 1514621081317 in words is "one trillion, five hundred fourteen billion, six hundred twenty-one million, eighty-one thousand, three hundred seventeen".