1125791244478 has 16 divisors (see below), whose sum is σ = 1800065952000. Its totient is φ = 526519288152.

The previous prime is 1125791244401. The next prime is 1125791244509. The reversal of 1125791244478 is 8744421975211.

It is a super-2 number, since 2×1125791244478² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187503868 + ... + 187509871.

It is an arithmetic number, because the mean of its divisors is an integer number (112504122000).

Almost surely, 2^{1125791244478} is an apocalyptic number.

1125791244478 is a deficient number, since it is larger than the sum of its proper divisors (674274707522).

1125791244478 is a wasteful number, since it uses less digits than its factorization.

1125791244478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375013839.

The product of its digits is 4515840, while the sum is 55.

The spelling of 1125791244478 in words is "one trillion, one hundred twenty-five billion, seven hundred ninety-one million, two hundred forty-four thousand, four hundred seventy-eight".