1125679235578 has 4 divisors (see below), whose sum is σ = 1688518853370. Its totient is φ = 562839617788.

The previous prime is 1125679235563. The next prime is 1125679235623. The reversal of 1125679235578 is 8755329765211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 587241744489 + 538437491089 = 766317^2 + 733783^2 .

It is a super-2 number, since 2×1125679235578² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281419808893 + ... + 281419808896.

Almost surely, 2^{1125679235578} is an apocalyptic number.

1125679235578 is a deficient number, since it is larger than the sum of its proper divisors (562839617792).

1125679235578 is an equidigital number, since it uses as much as digits as its factorization.

1125679235578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562839617791.

The product of its digits is 31752000, while the sum is 61.

The spelling of 1125679235578 in words is "one trillion, one hundred twenty-five billion, six hundred seventy-nine million, two hundred thirty-five thousand, five hundred seventy-eight".