13905168526641 has 32 divisors (see below), whose sum is σ = 21641069076480. Its totient is φ = 7776242375616.

The previous prime is 13905168526631. The next prime is 13905168526727. The reversal of 13905168526641 is 14662586150931.

It is not a de Polignac number, because 13905168526641 - 2³³ = 13896578592049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13905168526631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14903995 + ... + 15809471.

It is an arithmetic number, because the mean of its divisors is an integer number (676283408640).

Almost surely, 2^{13905168526641} is an apocalyptic number.

It is an amenable number.

13905168526641 is a deficient number, since it is larger than the sum of its proper divisors (7735900549839).

13905168526641 is a wasteful number, since it uses less digits than its factorization.

13905168526641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921093.

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 13905168526641 in words is "thirteen trillion, nine hundred five billion, one hundred sixty-eight million, five hundred twenty-six thousand, six hundred forty-one".