1043512115656 has 32 divisors (see below), whose sum is σ = 2004876984600. Its totient is φ = 508885493760.

The previous prime is 1043512115651. The next prime is 1043512115669. The reversal of 1043512115656 is 6565112153401.

1043512115656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 734671836900 + 308840278756 = 857130^2 + 555734^2 .

It is a super-2 number, since 2×1043512115656² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1043512115651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706756 + ... + 1608268.

Almost surely, 2^{1043512115656} is an apocalyptic number.

It is an amenable number.

1043512115656 is a deficient number, since it is larger than the sum of its proper divisors (961364868944).

1043512115656 is a wasteful number, since it uses less digits than its factorization.

1043512115656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905089 (or 905085 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 1043512115656 in words is "one trillion, forty-three billion, five hundred twelve million, one hundred fifteen thousand, six hundred fifty-six".