61000665503352 has 16 divisors (see below), whose sum is σ = 152501663758440. Its totient is φ = 20333555167776.

The previous prime is 61000665503299. The next prime is 61000665503369. The reversal of 61000665503352 is 25330556600016.

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, 1270847197963 + ... + 1270847198010.

Almost surely, 2^{61000665503352} is an apocalyptic number.

It is an amenable number.

61000665503352 is an abundant number, since it is smaller than the sum of its proper divisors (91500998255088).

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

61000665503352 is a wasteful number, since it uses less digits than its factorization.

61000665503352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541694395982 (or 2541694395978 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 61000665503352 in words is "sixty-one trillion, six hundred sixty-five million, five hundred three thousand, three hundred fifty-two".