1125191598528 has 56 divisors (see below), whose sum is σ = 3057530793232. Its totient is φ = 364927002624.

The previous prime is 1125191598521. The next prime is 1125191598551. The reversal of 1125191598528 is 8258951915211.

It is a super-2 number, since 2×1125191598528² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125191598521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79187125 + ... + 79201332.

Almost surely, 2^{1125191598528} is an apocalyptic number.

It is an amenable number.

1125191598528 is an abundant number, since it is smaller than the sum of its proper divisors (1932339194704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125191598528 is a wasteful number, since it uses less digits than its factorization.

1125191598528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158388509 (or 158388499 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 57.

The spelling of 1125191598528 in words is "one trillion, one hundred twenty-five billion, one hundred ninety-one million, five hundred ninety-eight thousand, five hundred twenty-eight".