61141850136628 has 12 divisors (see below), whose sum is σ = 108101312355652. Its totient is φ = 30255760892160.

The previous prime is 61141850136613. The next prime is 61141850136701. The reversal of 61141850136628 is 82663105814116.

It can be written as a sum of positive squares in 2 ways, for example, as 22759215918244 + 38382634218384 = 4770662^2 + 6195372^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78791043603 + ... + 78791044378.

Almost surely, 2^{61141850136628} is an apocalyptic number.

It is an amenable number.

61141850136628 is a deficient number, since it is larger than the sum of its proper divisors (46959462219024).

61141850136628 is a wasteful number, since it uses less digits than its factorization.

61141850136628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157582088082 (or 157582088080 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 61141850136628 in words is "sixty-one trillion, one hundred forty-one billion, eight hundred fifty million, one hundred thirty-six thousand, six hundred twenty-eight".