2123414613561 has 8 divisors (see below), whose sum is σ = 2850220958400. Its totient is φ = 1406109005552.

The previous prime is 2123414613539. The next prime is 2123414613577. The reversal of 2123414613561 is 1653164143212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123414613561 - 2¹³ = 2123414605369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123414613581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375183685 + ... + 2375184578.

It is an arithmetic number, because the mean of its divisors is an integer number (356277619800).

Almost surely, 2^{2123414613561} is an apocalyptic number.

It is an amenable number.

2123414613561 is a deficient number, since it is larger than the sum of its proper divisors (726806344839).

2123414613561 is a wasteful number, since it uses less digits than its factorization.

2123414613561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4750368415.

The product of its digits is 103680, while the sum is 39.

Adding to 2123414613561 its reverse (1653164143212), we get a palindrome (3776578756773).

The spelling of 2123414613561 in words is "two trillion, one hundred twenty-three billion, four hundred fourteen million, six hundred thirteen thousand, five hundred sixty-one".