61244615201 has 16 divisors (see below), whose sum is σ = 76661157888. Its totient is φ = 47532930000.

The previous prime is 61244615183. The next prime is 61244615203. The reversal of 61244615201 is 10251644216.

It is a cyclic number.

It is not a de Polignac number, because 61244615201 - 2⁶ = 61244615137 is a prime.

It is a super-2 number, since 2×61244615201² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61244615203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1565105 + ... + 1603758.

It is an arithmetic number, because the mean of its divisors is an integer number (4791322368).

Almost surely, 2^61244615201 is an apocalyptic number.

It is an amenable number.

61244615201 is a deficient number, since it is larger than the sum of its proper divisors (15416542687).

61244615201 is a wasteful number, since it uses less digits than its factorization.

61244615201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169132.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 61244615201 in words is "sixty-one billion, two hundred forty-four million, six hundred fifteen thousand, two hundred one".