1881196462045 has 32 divisors (see below), whose sum is σ = 2341694033280. Its totient is φ = 1450130246400.

The previous prime is 1881196462037. The next prime is 1881196462169. The reversal of 1881196462045 is 5402646911881.

It is not a de Polignac number, because 1881196462045 - 2³ = 1881196462037 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2473371 + ... + 3143239.

It is an arithmetic number, because the mean of its divisors is an integer number (73177938540).

Almost surely, 2^{1881196462045} is an apocalyptic number.

It is an amenable number.

1881196462045 is a deficient number, since it is larger than the sum of its proper divisors (460497571235).

1881196462045 is a wasteful number, since it uses less digits than its factorization.

1881196462045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670125.

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 1881196462045 in words is "one trillion, eight hundred eighty-one billion, one hundred ninety-six million, four hundred sixty-two thousand, forty-five".