7487442851131 has 2 divisors, whose sum is σ = 7487442851132. Its totient is φ = 7487442851130.

The previous prime is 7487442851113. The next prime is 7487442851197. The reversal of 7487442851131 is 1311582447847.

7487442851131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (7487442851113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7487442851131 - 2¹⁹ = 7487442326843 is a prime.

It is a super-2 number, since 2×7487442851131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7487442251131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743721425565 + 3743721425566.

It is an arithmetic number, because the mean of its divisors is an integer number (3743721425566).

Almost surely, 2^{7487442851131} is an apocalyptic number.

7487442851131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7487442851131 is an equidigital number, since it uses as much as digits as its factorization.

7487442851131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6021120, while the sum is 55.

The spelling of 7487442851131 in words is "seven trillion, four hundred eighty-seven billion, four hundred forty-two million, eight hundred fifty-one thousand, one hundred thirty-one".