515263132403711 has 2 divisors, whose sum is σ = 515263132403712. Its totient is φ = 515263132403710.

The previous prime is 515263132403557. The next prime is 515263132403791. The reversal of 515263132403711 is 117304231362515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 515263132403711 - 2⁴² = 510865085892607 is a prime.

It is a super-2 number, since 2×515263132403711² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515263132403791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257631566201855 + 257631566201856.

It is an arithmetic number, because the mean of its divisors is an integer number (257631566201856).

Almost surely, 2^{515263132403711} is an apocalyptic number.

515263132403711 is a deficient number, since it is larger than the sum of its proper divisors (1).

515263132403711 is an equidigital number, since it uses as much as digits as its factorization.

515263132403711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 515263132403711 in words is "five hundred fifteen trillion, two hundred sixty-three billion, one hundred thirty-two million, four hundred three thousand, seven hundred eleven".