11902689552447 has 12 divisors (see below), whose sum is σ = 17192914159824. Its totient is φ = 7935061585920.

The previous prime is 11902689552443. The next prime is 11902689552503. The reversal of 11902689552447 is 74425598620911.

11902689552447 is a `hidden beast` number, since 1 + 1 + 9 + 0 + 2 + 68 + 9 + 5 + 524 + 47 = 666.

It is not a de Polignac number, because 11902689552447 - 2² = 11902689552443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11902689552443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4221378 + ... + 6451775.

It is an arithmetic number, because the mean of its divisors is an integer number (1432742846652).

Almost surely, 2^{11902689552447} is an apocalyptic number.

11902689552447 is a deficient number, since it is larger than the sum of its proper divisors (5290224607377).

11902689552447 is a wasteful number, since it uses less digits than its factorization.

11902689552447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10797070 (or 10797067 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 11902689552447 in words is "eleven trillion, nine hundred two billion, six hundred eighty-nine million, five hundred fifty-two thousand, four hundred forty-seven".