61436132250543 has 12 divisors (see below), whose sum is σ = 89205692903808. Its totient is φ = 40742984737440.

The previous prime is 61436132250541. The next prime is 61436132250551. The reversal of 61436132250543 is 34505223163416.

61436132250543 is a `hidden beast` number, since 6 + 1 + 4 + 3 + 6 + 132 + 2 + 505 + 4 + 3 = 666.

It is not a de Polignac number, because 61436132250543 - 2¹ = 61436132250541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61436132250541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17869728430 + ... + 17869731867.

It is an arithmetic number, because the mean of its divisors is an integer number (7433807741984).

Almost surely, 2^{61436132250543} is an apocalyptic number.

61436132250543 is a deficient number, since it is larger than the sum of its proper divisors (27769560653265).

61436132250543 is a wasteful number, since it uses less digits than its factorization.

61436132250543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35739460494 (or 35739460491 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 61436132250543 in words is "sixty-one trillion, four hundred thirty-six billion, one hundred thirty-two million, two hundred fifty thousand, five hundred forty-three".