61055517502 has 8 divisors (see below), whose sum is σ = 104666601456. Its totient is φ = 26166650352.

The previous prime is 61055517437. The next prime is 61055517521. The reversal of 61055517502 is 20571555016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2180554183 + ... + 2180554210.

It is an arithmetic number, because the mean of its divisors is an integer number (13083325182).

Almost surely, 2^61055517502 is an apocalyptic number.

61055517502 is a deficient number, since it is larger than the sum of its proper divisors (43611083954).

61055517502 is a wasteful number, since it uses less digits than its factorization.

61055517502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361108402.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 61055517502 in words is "sixty-one billion, fifty-five million, five hundred seventeen thousand, five hundred two".