2153461316461 has 16 divisors (see below), whose sum is σ = 2650479344128. Its totient is φ = 1703795472000.

The previous prime is 2153461316441. The next prime is 2153461316507. The reversal of 2153461316461 is 1646131643512.

It is a cyclic number.

It is not a de Polignac number, because 2153461316461 - 2⁷ = 2153461316333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153461316431) 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, 3715756 + ... + 4256026.

It is an arithmetic number, because the mean of its divisors is an integer number (165654959008).

Almost surely, 2^{2153461316461} is an apocalyptic number.

It is an amenable number.

2153461316461 is a deficient number, since it is larger than the sum of its proper divisors (497018027667).

2153461316461 is a wasteful number, since it uses less digits than its factorization.

2153461316461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584092.

The product of its digits is 311040, while the sum is 43.

Adding to 2153461316461 its reverse (1646131643512), we get a palindrome (3799592959973).

The spelling of 2153461316461 in words is "two trillion, one hundred fifty-three billion, four hundred sixty-one million, three hundred sixteen thousand, four hundred sixty-one".