11145435044555 has 32 divisors (see below), whose sum is σ = 15322729996800. Its totient is φ = 7623823848192.

The previous prime is 11145435044507. The next prime is 11145435044591. The reversal of 11145435044555 is 55544053454111.

It is a cyclic number.

It is not a de Polignac number, because 11145435044555 - 2¹² = 11145435040459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25630736 + ... + 26061954.

It is an arithmetic number, because the mean of its divisors is an integer number (478835312400).

Almost surely, 2^{11145435044555} is an apocalyptic number.

11145435044555 is a deficient number, since it is larger than the sum of its proper divisors (4177294952245).

11145435044555 is a wasteful number, since it uses less digits than its factorization.

11145435044555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433043.

The product of its (nonzero) digits is 2400000, while the sum is 47.

Adding to 11145435044555 its reverse (55544053454111), we get a palindrome (66689488498666).

The spelling of 11145435044555 in words is "eleven trillion, one hundred forty-five billion, four hundred thirty-five million, forty-four thousand, five hundred fifty-five".