30455144121461 has 4 divisors (see below), whose sum is σ = 30508480626624. Its totient is φ = 30401807616300.

The previous prime is 30455144121449. The next prime is 30455144121481. The reversal of 30455144121461 is 16412144155403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30455144121461 - 2³⁰ = 30454070379637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30455144121481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26668251725 + ... + 26668252866.

It is an arithmetic number, because the mean of its divisors is an integer number (7627120156656).

Almost surely, 2^{30455144121461} is an apocalyptic number.

It is an amenable number.

30455144121461 is a deficient number, since it is larger than the sum of its proper divisors (53336505163).

30455144121461 is an equidigital number, since it uses as much as digits as its factorization.

30455144121461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53336505162.

The product of its (nonzero) digits is 230400, while the sum is 41.

Adding to 30455144121461 its reverse (16412144155403), we get a palindrome (46867288276864).

The spelling of 30455144121461 in words is "thirty trillion, four hundred fifty-five billion, one hundred forty-four million, one hundred twenty-one thousand, four hundred sixty-one".