11012113640545 has 32 divisors (see below), whose sum is σ = 13318967946240. Its totient is φ = 8740374732480.

The previous prime is 11012113640509. The next prime is 11012113640573. The reversal of 11012113640545 is 54504631121011.

It is not a de Polignac number, because 11012113640545 - 2⁴¹ = 8813090384993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11012113640545.

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, 640118914 + ... + 640136116.

It is an arithmetic number, because the mean of its divisors is an integer number (416217748320).

Almost surely, 2^{11012113640545} is an apocalyptic number.

It is an amenable number.

11012113640545 is a deficient number, since it is larger than the sum of its proper divisors (2306854305695).

11012113640545 is a wasteful number, since it uses less digits than its factorization.

11012113640545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19365.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 11012113640545 its reverse (54504631121011), we get a palindrome (65516744761556).

The spelling of 11012113640545 in words is "eleven trillion, twelve billion, one hundred thirteen million, six hundred forty thousand, five hundred forty-five".