11020111263145 has 16 divisors (see below), whose sum is σ = 14008803877440. Its totient is φ = 8298886325184.

The previous prime is 11020111263121. The next prime is 11020111263149. The reversal of 11020111263145 is 54136211102011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11020111263145 - 2¹³ = 11020111254953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020111263149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369415567 + ... + 369445396.

It is an arithmetic number, because the mean of its divisors is an integer number (875550242340).

Almost surely, 2^{11020111263145} is an apocalyptic number.

It is an amenable number.

11020111263145 is a deficient number, since it is larger than the sum of its proper divisors (2988692614295).

11020111263145 is a wasteful number, since it uses less digits than its factorization.

11020111263145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738861144.

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 11020111263145 its reverse (54136211102011), we get a palindrome (65156322365156).

The spelling of 11020111263145 in words is "eleven trillion, twenty billion, one hundred eleven million, two hundred sixty-three thousand, one hundred forty-five".