1115852035661 has 4 divisors (see below), whose sum is σ = 1217293129824. Its totient is φ = 1014410941500.

The previous prime is 1115852035621. The next prime is 1115852035757. The reversal of 1115852035661 is 1665302585111.

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 not a de Polignac number, because 1115852035661 - 2¹⁰ = 1115852034637 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 (1115852035621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50720547065 + ... + 50720547086.

It is an arithmetic number, because the mean of its divisors is an integer number (304323282456).

Almost surely, 2^{1115852035661} is an apocalyptic number.

1115852035661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1115852035661 is a deficient number, since it is larger than the sum of its proper divisors (101441094163).

1115852035661 is a wasteful number, since it uses less digits than its factorization.

1115852035661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101441094162.

The product of its (nonzero) digits is 216000, while the sum is 44.

The spelling of 1115852035661 in words is "one trillion, one hundred fifteen billion, eight hundred fifty-two million, thirty-five thousand, six hundred sixty-one".