11554516134554 has 4 divisors (see below), whose sum is σ = 17331774201834. Its totient is φ = 5777258067276.

The previous prime is 11554516134523. The next prime is 11554516134559. The reversal of 11554516134554 is 45543161545511.

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

It can be written as a sum of positive squares in only one way, i.e., 8965071953929 + 2589444180625 = 2994173^2 + 1609175^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11554516134559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2888629033637 + ... + 2888629033640.

Almost surely, 2^{11554516134554} is an apocalyptic number.

11554516134554 is a deficient number, since it is larger than the sum of its proper divisors (5777258067280).

11554516134554 is an equidigital number, since it uses as much as digits as its factorization.

11554516134554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777258067279.

The product of its digits is 3600000, while the sum is 50.

The spelling of 11554516134554 in words is "eleven trillion, five hundred fifty-four billion, five hundred sixteen million, one hundred thirty-four thousand, five hundred fifty-four".