4118511553949 has 16 divisors (see below), whose sum is σ = 4458671289072. Its totient is φ = 3781719318528.

The previous prime is 4118511553931. The next prime is 4118511553969. The reversal of 4118511553949 is 9493551158114.

4118511553949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 103116769924 + 4015394784025 = 321118^2 + 2003845^2 .

It is a cyclic number.

It is not a de Polignac number, because 4118511553949 - 2⁸ = 4118511553693 is a prime.

It is a super-2 number, since 2×4118511553949² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4118511553894 and 4118511553903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4118511553969) 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, 2470829 + ... + 3787085.

It is an arithmetic number, because the mean of its divisors is an integer number (278666955567).

Almost surely, 2^{4118511553949} is an apocalyptic number.

It is an amenable number.

4118511553949 is a deficient number, since it is larger than the sum of its proper divisors (340159735123).

4118511553949 is a wasteful number, since it uses less digits than its factorization.

4118511553949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317536.

The product of its digits is 3888000, while the sum is 56.

The spelling of 4118511553949 in words is "four trillion, one hundred eighteen billion, five hundred eleven million, five hundred fifty-three thousand, nine hundred forty-nine".