1154500054511 has 4 divisors (see below), whose sum is σ = 1181348893032. Its totient is φ = 1127651215992.

The previous prime is 1154500054483. The next prime is 1154500054523.

1154500054511 is nontrivially palindromic in base 10.

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 1154500054511 - 2²⁶ = 1154432945647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154500054531) 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, 13424419196 + ... + 13424419281.

It is an arithmetic number, because the mean of its divisors is an integer number (295337223258).

Almost surely, 2^{1154500054511} is an apocalyptic number.

1154500054511 is a deficient number, since it is larger than the sum of its proper divisors (26848838521).

1154500054511 is an equidigital number, since it uses as much as digits as its factorization.

1154500054511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26848838520.

The product of its (nonzero) digits is 10000, while the sum is 32.

It can be divided in two parts, 11545000 and 54511, that added together give a palindrome (11599511).

The spelling of 1154500054511 in words is "one trillion, one hundred fifty-four billion, five hundred million, fifty-four thousand, five hundred eleven".