61711102 has 8 divisors (see below), whose sum is σ = 93242736. Its totient is φ = 30630192.

The previous prime is 61711057. The next prime is 61711121. The reversal of 61711102 is 20111716.

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

It is a super-2 number, since 2×61711102² = 7616520220108808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61711102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 112338 + ... + 112885.

It is an arithmetic number, because the mean of its divisors is an integer number (11655342).

Almost surely, 2^61711102 is an apocalyptic number.

61711102 is a deficient number, since it is larger than the sum of its proper divisors (31531634).

61711102 is a wasteful number, since it uses less digits than its factorization.

61711102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225362.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 61711102 is about 7855.6414123864. The cubic root of 61711102 is about 395.1734579734.

Adding to 61711102 its reverse (20111716), we get a palindrome (81822818).

The spelling of 61711102 in words is "sixty-one million, seven hundred eleven thousand, one hundred two".