61071524943 has 16 divisors (see below), whose sum is σ = 95664487296. Its totient is φ = 34165887840.

The previous prime is 61071524887. The next prime is 61071524947. The reversal of 61071524943 is 34942517016.

It is not a de Polignac number, because 61071524943 - 2⁹ = 61071524431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61071524895 and 61071524904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61071524947) 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, 71178505 + ... + 71179362.

It is an arithmetic number, because the mean of its divisors is an integer number (5979030456).

Almost surely, 2^61071524943 is an apocalyptic number.

61071524943 is a deficient number, since it is larger than the sum of its proper divisors (34592962353).

61071524943 is a wasteful number, since it uses less digits than its factorization.

61071524943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142357894.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 61071524943 in words is "sixty-one billion, seventy-one million, five hundred twenty-four thousand, nine hundred forty-three".