121632666035503 has 24 divisors (see below), whose sum is σ = 142290520750080. Its totient is φ = 103667568666480.

The previous prime is 121632666035459. The next prime is 121632666035521. The reversal of 121632666035503 is 305530666236121.

It is not a de Polignac number, because 121632666035503 - 2⁹ = 121632666034991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121632666005503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140703250 + ... + 141565072.

It is an arithmetic number, because the mean of its divisors is an integer number (5928771697920).

Almost surely, 2^{121632666035503} is an apocalyptic number.

121632666035503 is a deficient number, since it is larger than the sum of its proper divisors (20657854714577).

121632666035503 is a wasteful number, since it uses less digits than its factorization.

121632666035503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878107 (or 878100 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 121632666035503 in words is "one hundred twenty-one trillion, six hundred thirty-two billion, six hundred sixty-six million, thirty-five thousand, five hundred three".