45061770251761 has 8 divisors (see below), whose sum is σ = 45258979389800. Its totient is φ = 44864564878080.

The previous prime is 45061770251753. The next prime is 45061770251779. The reversal of 45061770251761 is 16715207716054.

It can be written as a sum of positive squares in 4 ways, for example, as 25962082090000 + 19099688161761 = 5095300^2 + 4370319^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45061770251761 - 2³ = 45061770251753 is a prime.

It is a super-2 number, since 2×45061770251761² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45061770251699 and 45061770251708.

It is not an unprimeable number, because it can be changed into a prime (45061770251711) 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, 24561295 + ... + 26332123.

It is an arithmetic number, because the mean of its divisors is an integer number (5657372423725).

Almost surely, 2^{45061770251761} is an apocalyptic number.

It is an amenable number.

45061770251761 is a deficient number, since it is larger than the sum of its proper divisors (197209138039).

45061770251761 is a wasteful number, since it uses less digits than its factorization.

45061770251761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882179.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 45061770251761 in words is "forty-five trillion, sixty-one billion, seven hundred seventy million, two hundred fifty-one thousand, seven hundred sixty-one".