61543502150136 has 16 divisors (see below), whose sum is σ = 153858755375400. Its totient is φ = 20514500716704.

The previous prime is 61543502150131. The next prime is 61543502150171. The reversal of 61543502150136 is 63105120534516.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61543502150131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282156294771 + ... + 1282156294818.

Almost surely, 2^{61543502150136} is an apocalyptic number.

It is an amenable number.

61543502150136 is an abundant number, since it is smaller than the sum of its proper divisors (92315253225264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61543502150136 is a wasteful number, since it uses less digits than its factorization.

61543502150136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564312589598 (or 2564312589594 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 61543502150136 in words is "sixty-one trillion, five hundred forty-three billion, five hundred two million, one hundred fifty thousand, one hundred thirty-six".