1156715806042 has 8 divisors (see below), whose sum is σ = 1747738481076. Its totient is φ = 574136312352.

The previous prime is 1156715806027. The next prime is 1156715806109. The reversal of 1156715806042 is 2406085176511.

It can be written as a sum of positive squares in 2 ways, for example, as 1097086561561 + 59629244481 = 1047419^2 + 244191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1156715805983 and 1156715806001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110794993 + ... + 2110795540.

Almost surely, 2^{1156715806042} is an apocalyptic number.

1156715806042 is a deficient number, since it is larger than the sum of its proper divisors (591022675034).

1156715806042 is a wasteful number, since it uses less digits than its factorization.

1156715806042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221590672.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 1156715806042 in words is "one trillion, one hundred fifty-six billion, seven hundred fifteen million, eight hundred six thousand, forty-two".