11355245422155 has 16 divisors (see below), whose sum is σ = 20187102972960. Its totient is φ = 6056130891744.

The previous prime is 11355245422153. The next prime is 11355245422187. The reversal of 11355245422155 is 55122454255311.

11355245422155 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 52 + 4 + 542 + 2 + 1 + 55 = 666.

It is not a de Polignac number, because 11355245422155 - 2¹ = 11355245422153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11355245422155.

It is not an unprimeable number, because it can be changed into a prime (11355245422153) 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, 42056464392 + ... + 42056464661.

It is an arithmetic number, because the mean of its divisors is an integer number (1261693935810).

Almost surely, 2^{11355245422155} is an apocalyptic number.

11355245422155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11355245422155 is a deficient number, since it is larger than the sum of its proper divisors (8831857550805).

11355245422155 is an equidigital number, since it uses as much as digits as its factorization.

11355245422155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84112929067 (or 84112929061 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 45.

Adding to 11355245422155 its reverse (55122454255311), we get a palindrome (66477699677466).

The spelling of 11355245422155 in words is "eleven trillion, three hundred fifty-five billion, two hundred forty-five million, four hundred twenty-two thousand, one hundred fifty-five".