36155460661 has 4 divisors (see below), whose sum is σ = 36613124800. Its totient is φ = 35697796524.

The previous prime is 36155460643. The next prime is 36155460697. The reversal of 36155460661 is 16606455163.

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 not a de Polignac number, because 36155460661 - 2¹⁷ = 36155329589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36155460461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228831951 + ... + 228832108.

It is an arithmetic number, because the mean of its divisors is an integer number (9153281200).

Almost surely, 2^36155460661 is an apocalyptic number.

It is an amenable number.

36155460661 is a deficient number, since it is larger than the sum of its proper divisors (457664139).

36155460661 is an equidigital number, since it uses as much as digits as its factorization.

36155460661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457664138.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 36155460661 in words is "thirty-six billion, one hundred fifty-five million, four hundred sixty thousand, six hundred sixty-one".