61241505633 has 24 divisors (see below), whose sum is σ = 110287734336. Its totient is φ = 31813768800.

The previous prime is 61241505629. The next prime is 61241505727. The reversal of 61241505633 is 33650514216.

61241505633 is a `hidden beast` number, since 6 + 1 + 2 + 4 + 15 + 0 + 5 + 633 = 666.

It is not a de Polignac number, because 61241505633 - 2² = 61241505629 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61241509633) 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 23 ways as a sum of consecutive naturals, for example, 44185098 + ... + 44186483.

It is an arithmetic number, because the mean of its divisors is an integer number (4595322264).

Almost surely, 2^61241505633 is an apocalyptic number.

61241505633 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

61241505633 is a deficient number, since it is larger than the sum of its proper divisors (49046228703).

61241505633 is a wasteful number, since it uses less digits than its factorization.

61241505633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88371605 (or 88371602 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 61241505633 in words is "sixty-one billion, two hundred forty-one million, five hundred five thousand, six hundred thirty-three".