1125978675519 has 8 divisors (see below), whose sum is σ = 1501325974960. Its totient is φ = 750641913216.

The previous prime is 1125978675439. The next prime is 1125978675541. The reversal of 1125978675519 is 9155768795211.

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

It is not a de Polignac number, because 1125978675519 - 2¹⁶ = 1125978609983 is a prime.

It is a super-2 number, since 2×1125978675519² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125978675519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125978675599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381482 + ... + 2814855.

It is an arithmetic number, because the mean of its divisors is an integer number (187665746870).

Almost surely, 2^{1125978675519} is an apocalyptic number.

1125978675519 is a deficient number, since it is larger than the sum of its proper divisors (375347299441).

1125978675519 is an equidigital number, since it uses as much as digits as its factorization.

1125978675519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268569.

The product of its digits is 47628000, while the sum is 66.

The spelling of 1125978675519 in words is "one trillion, one hundred twenty-five billion, nine hundred seventy-eight million, six hundred seventy-five thousand, five hundred nineteen".