1154241031019 has 4 divisors (see below), whose sum is σ = 1204425423696. Its totient is φ = 1104056638344.

The previous prime is 1154241031007. The next prime is 1154241031039. The reversal of 1154241031019 is 9101301424511.

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

It is a cyclic number.

It is not a de Polignac number, because 1154241031019 - 2⁸ = 1154241030763 is a prime.

It is a super-2 number, since 2×1154241031019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154241031039) 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, 25092196304 + ... + 25092196349.

It is an arithmetic number, because the mean of its divisors is an integer number (301106355924).

Almost surely, 2^{1154241031019} is an apocalyptic number.

1154241031019 is a deficient number, since it is larger than the sum of its proper divisors (50184392677).

1154241031019 is an equidigital number, since it uses as much as digits as its factorization.

1154241031019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50184392676.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 1154241031019 in words is "one trillion, one hundred fifty-four billion, two hundred forty-one million, thirty-one thousand, nineteen".