61761127523 has 4 divisors (see below), whose sum is σ = 61766312520. Its totient is φ = 61755942528.

The previous prime is 61761127511. The next prime is 61761127543. The reversal of 61761127523 is 32572116716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61761127523 - 2⁴ = 61761127507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61761127543) 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, 2574590 + ... + 2598467.

It is an arithmetic number, because the mean of its divisors is an integer number (15441578130).

Almost surely, 2^61761127523 is an apocalyptic number.

61761127523 is a deficient number, since it is larger than the sum of its proper divisors (5184997).

61761127523 is a wasteful number, since it uses less digits than its factorization.

61761127523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184996.

The product of its digits is 105840, while the sum is 41.

The spelling of 61761127523 in words is "sixty-one billion, seven hundred sixty-one million, one hundred twenty-seven thousand, five hundred twenty-three".