61301898105 has 64 divisors (see below), whose sum is σ = 114487296000. Its totient is φ = 27998066880.

The previous prime is 61301898083. The next prime is 61301898121. The reversal of 61301898105 is 50189810316.

It is not a de Polignac number, because 61301898105 - 2⁸ = 61301897849 is a prime.

It is a super-2 number, since 2×61301898105² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6328656 + ... + 6338334.

It is an arithmetic number, because the mean of its divisors is an integer number (1788864000).

Almost surely, 2^61301898105 is an apocalyptic number.

It is an amenable number.

61301898105 is a deficient number, since it is larger than the sum of its proper divisors (53185397895).

61301898105 is a wasteful number, since it uses less digits than its factorization.

61301898105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10939 (or 10925 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 61301898105 in words is "sixty-one billion, three hundred one million, eight hundred ninety-eight thousand, one hundred five".