2015711161507 has 2 divisors, whose sum is σ = 2015711161508. Its totient is φ = 2015711161506.

The previous prime is 2015711161439. The next prime is 2015711161511. The reversal of 2015711161507 is 7051611175102.

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-2015711161507 is a prime.

It is a super-2 number, since 2×2015711161507² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2015771161507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007855580753 + 1007855580754.

It is an arithmetic number, because the mean of its divisors is an integer number (1007855580754).

Almost surely, 2^{2015711161507} is an apocalyptic number.

2015711161507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015711161507 is an equidigital number, since it uses as much as digits as its factorization.

2015711161507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 37.

The spelling of 2015711161507 in words is "two trillion, fifteen billion, seven hundred eleven million, one hundred sixty-one thousand, five hundred seven".