7287541505131 has 2 divisors, whose sum is σ = 7287541505132. Its totient is φ = 7287541505130.

The previous prime is 7287541505093. The next prime is 7287541505149. The reversal of 7287541505131 is 1315051457827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7287541505131 - 2¹⁹ = 7287540980843 is a prime.

It is a super-2 number, since 2×7287541505131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7287541505161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3643770752565 + 3643770752566.

It is an arithmetic number, because the mean of its divisors is an integer number (3643770752566).

Almost surely, 2^{7287541505131} is an apocalyptic number.

7287541505131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7287541505131 is an equidigital number, since it uses as much as digits as its factorization.

7287541505131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176000, while the sum is 49.

The spelling of 7287541505131 in words is "seven trillion, two hundred eighty-seven billion, five hundred forty-one million, five hundred five thousand, one hundred thirty-one".