1118107155401 has 4 divisors (see below), whose sum is σ = 1131578326032. Its totient is φ = 1104635984772.

The previous prime is 1118107155259. The next prime is 1118107155413. The reversal of 1118107155401 is 1045517018111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118107155401 is a prime.

It is a super-2 number, since 2×1118107155401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118107155491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6735585191 + ... + 6735585356.

It is an arithmetic number, because the mean of its divisors is an integer number (282894581508).

Almost surely, 2^{1118107155401} is an apocalyptic number.

It is an amenable number.

1118107155401 is a deficient number, since it is larger than the sum of its proper divisors (13471170631).

1118107155401 is an equidigital number, since it uses as much as digits as its factorization.

1118107155401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13471170630.

The product of its (nonzero) digits is 5600, while the sum is 35.

The spelling of 1118107155401 in words is "one trillion, one hundred eighteen billion, one hundred seven million, one hundred fifty-five thousand, four hundred one".