61147522574536 has 16 divisors (see below), whose sum is σ = 116594852367600. Its totient is φ = 30055561943184.

The previous prime is 61147522574533. The next prime is 61147522574617. The reversal of 61147522574536 is 63547522574116.

It is not an unprimeable number, because it can be changed into a prime (61147522574533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64774917510 + ... + 64774918453.

It is an arithmetic number, because the mean of its divisors is an integer number (7287178272975).

Almost surely, 2^{61147522574536} is an apocalyptic number.

It is an amenable number.

61147522574536 is a deficient number, since it is larger than the sum of its proper divisors (55447329793064).

61147522574536 is a wasteful number, since it uses less digits than its factorization.

61147522574536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129549836028 (or 129549836024 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 58.

The spelling of 61147522574536 in words is "sixty-one trillion, one hundred forty-seven billion, five hundred twenty-two million, five hundred seventy-four thousand, five hundred thirty-six".