1513999872071 has 2 divisors, whose sum is σ = 1513999872072. Its totient is φ = 1513999872070.

The previous prime is 1513999871987. The next prime is 1513999872101. The reversal of 1513999872071 is 1702789993151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1513999872071 is a prime.

It is a super-2 number, since 2×1513999872071² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1513999871995 and 1513999872013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513999862071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756999936035 + 756999936036.

It is an arithmetic number, because the mean of its divisors is an integer number (756999936036).

Almost surely, 2^{1513999872071} is an apocalyptic number.

1513999872071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513999872071 is an equidigital number, since it uses as much as digits as its factorization.

1513999872071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 62.

The spelling of 1513999872071 in words is "one trillion, five hundred thirteen billion, nine hundred ninety-nine million, eight hundred seventy-two thousand, seventy-one".