61225181743 has 16 divisors (see below), whose sum is σ = 70733295360. Its totient is φ = 52375331200.

The previous prime is 61225181741. The next prime is 61225181767. The reversal of 61225181743 is 34718152216.

It is a cyclic number.

It is not a de Polignac number, because 61225181743 - 2¹ = 61225181741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61225181696 and 61225181705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61225181741) 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, 1071528 + ... + 1127218.

It is an arithmetic number, because the mean of its divisors is an integer number (4420830960).

Almost surely, 2^61225181743 is an apocalyptic number.

61225181743 is a deficient number, since it is larger than the sum of its proper divisors (9508113617).

61225181743 is a wasteful number, since it uses less digits than its factorization.

61225181743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61598.

The product of its digits is 80640, while the sum is 40.

The spelling of 61225181743 in words is "sixty-one billion, two hundred twenty-five million, one hundred eighty-one thousand, seven hundred forty-three".