1125015255043 has 4 divisors (see below), whose sum is σ = 1173928961808. Its totient is φ = 1076101548280.

The previous prime is 1125015255019. The next prime is 1125015255079. The reversal of 1125015255043 is 3405525105211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125015255043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125015258043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24456853348 + ... + 24456853393.

It is an arithmetic number, because the mean of its divisors is an integer number (293482240452).

Almost surely, 2^{1125015255043} is an apocalyptic number.

1125015255043 is a deficient number, since it is larger than the sum of its proper divisors (48913706765).

1125015255043 is an equidigital number, since it uses as much as digits as its factorization.

1125015255043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48913706764.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 1125015255043 in words is "one trillion, one hundred twenty-five billion, fifteen million, two hundred fifty-five thousand, forty-three".