60515821961 has 8 divisors (see below), whose sum is σ = 73229230080. Its totient is φ = 48819486528.

The previous prime is 60515821907. The next prime is 60515821963. The reversal of 60515821961 is 16912851506.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60515821961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60515821963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254268041 + ... + 254268278.

It is an arithmetic number, because the mean of its divisors is an integer number (9153653760).

Almost surely, 2^60515821961 is an apocalyptic number.

It is an amenable number.

60515821961 is a deficient number, since it is larger than the sum of its proper divisors (12713408119).

60515821961 is a wasteful number, since it uses less digits than its factorization.

60515821961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508536343.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 60515821961 in words is "sixty billion, five hundred fifteen million, eight hundred twenty-one thousand, nine hundred sixty-one".