61005137195 has 8 divisors (see below), whose sum is σ = 73207722240. Its totient is φ = 48803071360.

The previous prime is 61005137147. The next prime is 61005137213. The reversal of 61005137195 is 59173150016.

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

It is not a de Polignac number, because 61005137195 - 2¹² = 61005133099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209171 + ... + 407139.

It is an arithmetic number, because the mean of its divisors is an integer number (9150965280).

Almost surely, 2^61005137195 is an apocalyptic number.

61005137195 is a deficient number, since it is larger than the sum of its proper divisors (12202585045).

61005137195 is a wasteful number, since it uses less digits than its factorization.

61005137195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259605.

The product of its (nonzero) digits is 28350, while the sum is 38.

The spelling of 61005137195 in words is "sixty-one billion, five million, one hundred thirty-seven thousand, one hundred ninety-five".