61611452423 has 8 divisors (see below), whose sum is σ = 64914390528. Its totient is φ = 58360529304.

The previous prime is 61611452387. The next prime is 61611452477. The reversal of 61611452423 is 32425411616.

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 61611452423 - 2¹⁸ = 61611190279 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 (61611452923) 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, 13001315 + ... + 13006052.

It is an arithmetic number, because the mean of its divisors is an integer number (8114298816).

Almost surely, 2^61611452423 is an apocalyptic number.

61611452423 is a deficient number, since it is larger than the sum of its proper divisors (3302938105).

61611452423 is a wasteful number, since it uses less digits than its factorization.

61611452423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26007493.

The product of its digits is 34560, while the sum is 35.

The spelling of 61611452423 in words is "sixty-one billion, six hundred eleven million, four hundred fifty-two thousand, four hundred twenty-three".