1513119689857 has 2 divisors, whose sum is σ = 1513119689858. Its totient is φ = 1513119689856.

The previous prime is 1513119689839. The next prime is 1513119689881. The reversal of 1513119689857 is 7589869113151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1435769511696 + 77350178161 = 1198236^2 + 278119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513119689857 - 2¹¹ = 1513119687809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1513119689057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756559844928 + 756559844929.

It is an arithmetic number, because the mean of its divisors is an integer number (756559844929).

Almost surely, 2^{1513119689857} is an apocalyptic number.

It is an amenable number.

1513119689857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513119689857 is an equidigital number, since it uses as much as digits as its factorization.

1513119689857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 64.

The spelling of 1513119689857 in words is "one trillion, five hundred thirteen billion, one hundred nineteen million, six hundred eighty-nine thousand, eight hundred fifty-seven".