61750445061001 has 4 divisors (see below), whose sum is σ = 61750472870404. Its totient is φ = 61750417251600.

The previous prime is 61750445060977. The next prime is 61750445061037. The reversal of 61750445061001 is 10016054405716.

61750445061001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21951052188025 + 39799392872976 = 4685195^2 + 6308676^2 .

It is a cyclic number.

It is not a de Polignac number, because 61750445061001 - 2²⁵ = 61750411506569 is a prime.

It is a super-2 number, since 2×61750445061001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61750445061101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10254570 + ... + 15121411.

It is an arithmetic number, because the mean of its divisors is an integer number (15437618217601).

Almost surely, 2^{61750445061001} is an apocalyptic number.

It is an amenable number.

61750445061001 is a deficient number, since it is larger than the sum of its proper divisors (27809403).

61750445061001 is a wasteful number, since it uses less digits than its factorization.

61750445061001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809402.

The product of its (nonzero) digits is 100800, while the sum is 40.

Adding to 61750445061001 its reverse (10016054405716), we get a palindrome (71766499466717).

The spelling of 61750445061001 in words is "sixty-one trillion, seven hundred fifty billion, four hundred forty-five million, sixty-one thousand, one".