61543152636260 has 48 divisors (see below), whose sum is σ = 133122019400832. Its totient is φ = 23885529696000.

The previous prime is 61543152636257. The next prime is 61543152636269. The reversal of 61543152636260 is 6263625134516.

It is a junction number, because it is equal to n+sod(n) for n = 61543152636199 and 61543152636208.

It is not an unprimeable number, because it can be changed into a prime (61543152636269) 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, 236829761 + ... + 237089480.

It is an arithmetic number, because the mean of its divisors is an integer number (2773375404184).

Almost surely, 2^{61543152636260} is an apocalyptic number.

It is an amenable number.

61543152636260 is an abundant number, since it is smaller than the sum of its proper divisors (71578866764572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61543152636260 is a wasteful number, since it uses less digits than its factorization.

61543152636260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473919444 (or 473919442 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 61543152636260 in words is "sixty-one trillion, five hundred forty-three billion, one hundred fifty-two million, six hundred thirty-six thousand, two hundred sixty".