61151680143 has 12 divisors (see below), whose sum is σ = 89111889360. Its totient is φ = 40407009216.

The previous prime is 61151680129. The next prime is 61151680153. The reversal of 61151680143 is 34108615116.

It is a happy number.

61151680143 is a `hidden beast` number, since 61 + 1 + 516 + 80 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 61151680143 - 2¹⁶ = 61151614607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61151680098 and 61151680107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61151680153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30063723 + ... + 30065756.

It is an arithmetic number, because the mean of its divisors is an integer number (7425990780).

Almost surely, 2^61151680143 is an apocalyptic number.

61151680143 is a deficient number, since it is larger than the sum of its proper divisors (27960209217).

61151680143 is a wasteful number, since it uses less digits than its factorization.

61151680143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60129598 (or 60129595 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 61151680143 in words is "sixty-one billion, one hundred fifty-one million, six hundred eighty thousand, one hundred forty-three".