11554164642634 has 4 divisors (see below), whose sum is σ = 17331246963954. Its totient is φ = 5777082321316.

The previous prime is 11554164642623. The next prime is 11554164642677. The reversal of 11554164642634 is 43624646145511.

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., 8025872002009 + 3528292640625 = 2832997^2 + 1878375^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2888541160657 + ... + 2888541160660.

Almost surely, 2^{11554164642634} is an apocalyptic number.

11554164642634 is a deficient number, since it is larger than the sum of its proper divisors (5777082321320).

11554164642634 is an equidigital number, since it uses as much as digits as its factorization.

11554164642634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777082321319.

The product of its digits is 8294400, while the sum is 52.

The spelling of 11554164642634 in words is "eleven trillion, five hundred fifty-four billion, one hundred sixty-four million, six hundred forty-two thousand, six hundred thirty-four".