1161132650042 has 32 divisors (see below), whose sum is σ = 1806247674000. Its totient is φ = 559150681600.

The previous prime is 1161132650039. The next prime is 1161132650053. The reversal of 1161132650042 is 2400562311611.

It can be written as a sum of positive squares in 8 ways, for example, as 736955288521 + 424177361521 = 858461^2 + 651289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1161132649990 and 1161132650008.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124300292 + ... + 124309632.

Almost surely, 2^{1161132650042} is an apocalyptic number.

1161132650042 is a deficient number, since it is larger than the sum of its proper divisors (645115023958).

1161132650042 is a wasteful number, since it uses less digits than its factorization.

1161132650042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14482.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 1161132650042 its reverse (2400562311611), we get a palindrome (3561694961653).

The spelling of 1161132650042 in words is "one trillion, one hundred sixty-one billion, one hundred thirty-two million, six hundred fifty thousand, forty-two".