1154125005545 has 32 divisors (see below), whose sum is σ = 1397686788096. Its totient is φ = 914846400000.

The previous prime is 1154125005511. The next prime is 1154125005547. The reversal of 1154125005545 is 5455005214511.

It is a de Polignac number, because none of the positive numbers 2^k-1154125005545 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154125005499 and 1154125005508.

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 in 31 ways as a sum of consecutive naturals, for example, 640823645 + ... + 640825445.

It is an arithmetic number, because the mean of its divisors is an integer number (43677712128).

Almost surely, 2^{1154125005545} is an apocalyptic number.

It is an amenable number.

1154125005545 is a deficient number, since it is larger than the sum of its proper divisors (243561782551).

1154125005545 is a wasteful number, since it uses less digits than its factorization.

1154125005545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 1154125005545 in words is "one trillion, one hundred fifty-four billion, one hundred twenty-five million, five thousand, five hundred forty-five".