61009158513 has 8 divisors (see below), whose sum is σ = 81407979328. Its totient is φ = 40641555024.

The previous prime is 61009158473. The next prime is 61009158589. The reversal of 61009158513 is 31585190016.

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

It is not a de Polignac number, because 61009158513 - 2⁶ = 61009158449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61009158913) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7799770 + ... + 7807587.

It is an arithmetic number, because the mean of its divisors is an integer number (10175997416).

Almost surely, 2^61009158513 is an apocalyptic number.

It is an amenable number.

61009158513 is a deficient number, since it is larger than the sum of its proper divisors (20398820815).

61009158513 is a wasteful number, since it uses less digits than its factorization.

61009158513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15608663.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 61009158513 in words is "sixty-one billion, nine million, one hundred fifty-eight thousand, five hundred thirteen".