1015512603481 has 2 divisors, whose sum is σ = 1015512603482. Its totient is φ = 1015512603480.

The previous prime is 1015512603467. The next prime is 1015512603529. The reversal of 1015512603481 is 1843062155101.

1015512603481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 840859656256 + 174652947225 = 916984^2 + 417915^2 .

It is an emirp because it is prime and its reverse (1843062155101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1015512603481 - 2²⁷ = 1015378385753 is a prime.

It is a super-2 number, since 2×1015512603481² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1015512603481.

It is not a weakly prime, because it can be changed into another prime (1015512603461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507756301740 + 507756301741.

It is an arithmetic number, because the mean of its divisors is an integer number (507756301741).

Almost surely, 2^{1015512603481} is an apocalyptic number.

It is an amenable number.

1015512603481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015512603481 is an equidigital number, since it uses as much as digits as its factorization.

1015512603481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 37.

Adding to 1015512603481 its reverse (1843062155101), we get a palindrome (2858574758582).

The spelling of 1015512603481 in words is "one trillion, fifteen billion, five hundred twelve million, six hundred three thousand, four hundred eighty-one".