1161501036636 has 48 divisors (see below), whose sum is σ = 2804002185600. Its totient is φ = 373765893312.

The previous prime is 1161501036629. The next prime is 1161501036649. The reversal of 1161501036636 is 6366301051611.

It is a super-2 number, since 2×1161501036636² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1161501036594 and 1161501036603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2396175 + ... + 2839833.

It is an arithmetic number, because the mean of its divisors is an integer number (58416712200).

Almost surely, 2^{1161501036636} is an apocalyptic number.

It is an amenable number.

1161501036636 is an abundant number, since it is smaller than the sum of its proper divisors (1642501148964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161501036636 is a wasteful number, since it uses less digits than its factorization.

1161501036636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451218 (or 451216 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 1161501036636 in words is "one trillion, one hundred sixty-one billion, five hundred one million, thirty-six thousand, six hundred thirty-six".