61195783523 has 16 divisors (see below), whose sum is σ = 72283330560. Its totient is φ = 50698742400.

The previous prime is 61195783513. The next prime is 61195783531. The reversal of 61195783523 is 32538759116.

It is a cyclic number.

It is not a de Polignac number, because 61195783523 - 2⁶ = 61195783459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61195783513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123 + ... + 349851.

It is an arithmetic number, because the mean of its divisors is an integer number (4517708160).

Almost surely, 2^61195783523 is an apocalyptic number.

61195783523 is a deficient number, since it is larger than the sum of its proper divisors (11087547037).

61195783523 is a wasteful number, since it uses less digits than its factorization.

61195783523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348578.

The product of its digits is 1360800, while the sum is 50.

The spelling of 61195783523 in words is "sixty-one billion, one hundred ninety-five million, seven hundred eighty-three thousand, five hundred twenty-three".