61123525345343 has 2 divisors, whose sum is σ = 61123525345344. Its totient is φ = 61123525345342.

The previous prime is 61123525345319. The next prime is 61123525345349. The reversal of 61123525345343 is 34354352532116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61123525345343 - 2²² = 61123521151039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61123525345349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30561762672671 + 30561762672672.

It is an arithmetic number, because the mean of its divisors is an integer number (30561762672672).

Almost surely, 2^{61123525345343} is an apocalyptic number.

61123525345343 is a deficient number, since it is larger than the sum of its proper divisors (1).

61123525345343 is an equidigital number, since it uses as much as digits as its factorization.

61123525345343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 47.

Adding to 61123525345343 its reverse (34354352532116), we get a palindrome (95477877877459).

The spelling of 61123525345343 in words is "sixty-one trillion, one hundred twenty-three billion, five hundred twenty-five million, three hundred forty-five thousand, three hundred forty-three".