61051005100 has 36 divisors (see below), whose sum is σ = 132560992984. Its totient is φ = 24405598080.

The previous prime is 61051005079. The next prime is 61051005137. The reversal of 61051005100 is 150015016.

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 11 ways as a sum of consecutive naturals, for example, 18522 + ... + 349921.

Almost surely, 2^61051005100 is an apocalyptic number.

It is an amenable number.

61051005100 is an abundant number, since it is smaller than the sum of its proper divisors (71509987884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61051005100 is a wasteful number, since it uses less digits than its factorization.

61051005100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370114 (or 370107 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The spelling of 61051005100 in words is "sixty-one billion, fifty-one million, five thousand, one hundred".