61446022501401 has 16 divisors (see below), whose sum is σ = 91031411901120. Its totient is φ = 40963894646400.

The previous prime is 61446022501397. The next prime is 61446022501439. The reversal of 61446022501401 is 10410522064416.

61446022501401 is a `hidden beast` number, since 6 + 1 + 4 + 4 + 602 + 2 + 5 + 0 + 1 + 40 + 1 = 666.

It is not a de Polignac number, because 61446022501401 - 2² = 61446022501397 is a prime.

It is a super-2 number, since 2×61446022501401² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61446022501001) 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 15 ways as a sum of consecutive naturals, for example, 6548926 + ... + 12875576.

It is an arithmetic number, because the mean of its divisors is an integer number (5689463243820).

Almost surely, 2^{61446022501401} is an apocalyptic number.

It is an amenable number.

61446022501401 is a deficient number, since it is larger than the sum of its proper divisors (29585389399719).

61446022501401 is a wasteful number, since it uses less digits than its factorization.

61446022501401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686373 (or 6686367 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 61446022501401 its reverse (10410522064416), we get a palindrome (71856544565817).

The spelling of 61446022501401 in words is "sixty-one trillion, four hundred forty-six billion, twenty-two million, five hundred one thousand, four hundred one".