61400043527 has 8 divisors (see below), whose sum is σ = 62838099456. Its totient is φ = 59962448952.

The previous prime is 61400043499. The next prime is 61400043559. The reversal of 61400043527 is 72534000416.

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 61400043527 - 2³⁰ = 60326301703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61400043493 and 61400043502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61400043127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161648 + ... + 385914.

It is an arithmetic number, because the mean of its divisors is an integer number (7854762432).

Almost surely, 2^61400043527 is an apocalyptic number.

61400043527 is a deficient number, since it is larger than the sum of its proper divisors (1438055929).

61400043527 is a wasteful number, since it uses less digits than its factorization.

61400043527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230677.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 61400043527 in words is "sixty-one billion, four hundred million, forty-three thousand, five hundred twenty-seven".