61054514454823 has 2 divisors, whose sum is σ = 61054514454824. Its totient is φ = 61054514454822.

The previous prime is 61054514454811. The next prime is 61054514454827. The reversal of 61054514454823 is 32845441545016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61054514454823 - 2¹³ = 61054514446631 is a prime.

It is a super-2 number, since 2×61054514454823² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61054514454827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527257227411 + 30527257227412.

It is an arithmetic number, because the mean of its divisors is an integer number (30527257227412).

Almost surely, 2^{61054514454823} is an apocalyptic number.

61054514454823 is a deficient number, since it is larger than the sum of its proper divisors (1).

61054514454823 is an equidigital number, since it uses as much as digits as its factorization.

61054514454823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216000, while the sum is 52.

Adding to 61054514454823 its reverse (32845441545016), we get a palindrome (93899955999839).

The spelling of 61054514454823 in words is "sixty-one trillion, fifty-four billion, five hundred fourteen million, four hundred fifty-four thousand, eight hundred twenty-three".