113403311145 has 32 divisors (see below), whose sum is σ = 208557820800. Its totient is φ = 58396185792.

The previous prime is 113403311143. The next prime is 113403311173. The reversal of 113403311145 is 541113304311.

113403311145 is a `hidden beast` number, since 1 + 1 + 340 + 3 + 311 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 113403311145 - 2¹ = 113403311143 is a prime.

It is a super-2 number, since 2×113403311145² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (113403311141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14479267 + ... + 14487096.

It is an arithmetic number, because the mean of its divisors is an integer number (6517431900).

Almost surely, 2^113403311145 is an apocalyptic number.

113403311145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113403311145 is a deficient number, since it is larger than the sum of its proper divisors (95154509655).

113403311145 is a wasteful number, since it uses less digits than its factorization.

113403311145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28966406 (or 28966400 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 113403311145 its reverse (541113304311), we get a palindrome (654516615456).

The spelling of 113403311145 in words is "one hundred thirteen billion, four hundred three million, three hundred eleven thousand, one hundred forty-five".