1154125005542 has 4 divisors (see below), whose sum is σ = 1731187508316. Its totient is φ = 577062502770.

The previous prime is 1154125005511. The next prime is 1154125005547. The reversal of 1154125005542 is 2455005214511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154125005547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288531251384 + ... + 288531251387.

It is an arithmetic number, because the mean of its divisors is an integer number (432796877079).

Almost surely, 2^{1154125005542} is an apocalyptic number.

1154125005542 is a deficient number, since it is larger than the sum of its proper divisors (577062502774).

1154125005542 is an equidigital number, since it uses as much as digits as its factorization.

1154125005542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577062502773.

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 1154125005542 in words is "one trillion, one hundred fifty-four billion, one hundred twenty-five million, five thousand, five hundred forty-two".