61146125746 has 8 divisors (see below), whose sum is σ = 91721308140. Its totient is φ = 30572356368.

The previous prime is 61146125731. The next prime is 61146125749. The reversal of 61146125746 is 64752164116.

It can be written as a sum of positive squares in 2 ways, for example, as 58097871225 + 3048254521 = 241035^2 + 55211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61146125749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237481 + ... + 422716.

Almost surely, 2^61146125746 is an apocalyptic number.

61146125746 is a deficient number, since it is larger than the sum of its proper divisors (30575182394).

61146125746 is a wasteful number, since it uses less digits than its factorization.

61146125746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706508.

The product of its digits is 241920, while the sum is 43.

The spelling of 61146125746 in words is "sixty-one billion, one hundred forty-six million, one hundred twenty-five thousand, seven hundred forty-six".