61150523771 has 8 divisors (see below), whose sum is σ = 63126098304. Its totient is φ = 59175135360.

The previous prime is 61150523737. The next prime is 61150523773. The reversal of 61150523771 is 17732505116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61150523771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61150523773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983315 + ... + 1043651.

It is an arithmetic number, because the mean of its divisors is an integer number (7890762288).

Almost surely, 2^61150523771 is an apocalyptic number.

61150523771 is a deficient number, since it is larger than the sum of its proper divisors (1975574533).

61150523771 is a wasteful number, since it uses less digits than its factorization.

61150523771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93061.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 61150523771 in words is "sixty-one billion, one hundred fifty million, five hundred twenty-three thousand, seven hundred seventy-one".