60501661501 has 4 divisors (see below), whose sum is σ = 60808776732. Its totient is φ = 60194546272.

The previous prime is 60501661489. The next prime is 60501661513. The reversal of 60501661501 is 10516610506.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (60501661489) and next prime (60501661513).

It can be written as a sum of positive squares in 2 ways, for example, as 59780739001 + 720922500 = 244501^2 + 26850^2 .

It is a cyclic number.

It is not a de Polignac number, because 60501661501 - 2¹¹ = 60501659453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60501661541) 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 3 ways as a sum of consecutive naturals, for example, 153557320 + ... + 153557713.

It is an arithmetic number, because the mean of its divisors is an integer number (15202194183).

Almost surely, 2^60501661501 is an apocalyptic number.

It is an amenable number.

60501661501 is a deficient number, since it is larger than the sum of its proper divisors (307115231).

60501661501 is a wasteful number, since it uses less digits than its factorization.

60501661501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307115230.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 60501661501 in words is "sixty billion, five hundred one million, six hundred sixty-one thousand, five hundred one".