11203355312545 has 16 divisors (see below), whose sum is σ = 14666308887168. Its totient is φ = 8147840163840.

The previous prime is 11203355312509. The next prime is 11203355312551. The reversal of 11203355312545 is 54521355330211.

It is not a de Polignac number, because 11203355312545 - 2³⁷ = 11065916359073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11203355312498 and 11203355312507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8779972 + ... + 9974698.

It is an arithmetic number, because the mean of its divisors is an integer number (916644305448).

Almost surely, 2^{11203355312545} is an apocalyptic number.

It is an amenable number.

11203355312545 is a deficient number, since it is larger than the sum of its proper divisors (3462953574623).

11203355312545 is a wasteful number, since it uses less digits than its factorization.

11203355312545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365240.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 11203355312545 in words is "eleven trillion, two hundred three billion, three hundred fifty-five million, three hundred twelve thousand, five hundred forty-five".