19415415600561 has 16 divisors (see below), whose sum is σ = 26375810063616. Its totient is φ = 12699318567936.

The previous prime is 19415415600481. The next prime is 19415415600587. The reversal of 19415415600561 is 16500651451491.

It is not a de Polignac number, because 19415415600561 - 2¹⁹ = 19415415076273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19415415600561.

It is not an unprimeable number, because it can be changed into a prime (19415415640561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52762536 + ... + 53129238.

It is an arithmetic number, because the mean of its divisors is an integer number (1648488128976).

Almost surely, 2^{19415415600561} is an apocalyptic number.

It is an amenable number.

19415415600561 is a deficient number, since it is larger than the sum of its proper divisors (6960394463055).

19415415600561 is a wasteful number, since it uses less digits than its factorization.

19415415600561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699752.

The product of its (nonzero) digits is 648000, while the sum is 48.

The spelling of 19415415600561 in words is "nineteen trillion, four hundred fifteen billion, four hundred fifteen million, six hundred thousand, five hundred sixty-one".