11761225420671 has 24 divisors (see below), whose sum is σ = 17072789814080. Its totient is φ = 7801937625600.

The previous prime is 11761225420663. The next prime is 11761225420699. The reversal of 11761225420671 is 17602452216711.

11761225420671 is a `hidden beast` number, since 1 + 1 + 7 + 612 + 2 + 5 + 4 + 20 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 11761225420671 - 2³ = 11761225420663 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 (11761225420661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467595 + ... + 4872483.

Almost surely, 2^{11761225420671} is an apocalyptic number.

11761225420671 is a deficient number, since it is larger than the sum of its proper divisors (5311564393409).

11761225420671 is a wasteful number, since it uses less digits than its factorization.

11761225420671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406367 (or 4406364 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 11761225420671 in words is "eleven trillion, seven hundred sixty-one billion, two hundred twenty-five million, four hundred twenty thousand, six hundred seventy-one".