36155461121 has 8 divisors (see below), whose sum is σ = 38938958184. Its totient is φ = 33372293760.

The previous prime is 36155461103. The next prime is 36155461123. The reversal of 36155461121 is 12116455163.

It can be written as a sum of positive squares in 4 ways, for example, as 2918160400 + 33237300721 = 54020^2 + 182311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36155461121 - 2¹⁸ = 36155198977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36155461123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175175 + ... + 320931.

It is an arithmetic number, because the mean of its divisors is an integer number (4867369773).

Almost surely, 2^36155461121 is an apocalyptic number.

It is an amenable number.

36155461121 is a deficient number, since it is larger than the sum of its proper divisors (2783497063).

36155461121 is a wasteful number, since it uses less digits than its factorization.

36155461121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164851.

The product of its digits is 21600, while the sum is 35.

The spelling of 36155461121 in words is "thirty-six billion, one hundred fifty-five million, four hundred sixty-one thousand, one hundred twenty-one".