61537355152 has 80 divisors (see below), whose sum is σ = 148809975552. Its totient is φ = 24001528320.

The previous prime is 61537355051. The next prime is 61537355167. The reversal of 61537355152 is 25155373516.

It is a junction number, because it is equal to n+sod(n) for n = 61537355099 and 61537355108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194263 + ... + 401014.

Almost surely, 2^61537355152 is an apocalyptic number.

It is an amenable number.

61537355152 is an abundant number, since it is smaller than the sum of its proper divisors (87272620400).

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

61537355152 is a wasteful number, since it uses less digits than its factorization.

61537355152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595376 (or 595370 counting only the distinct ones).

The product of its digits is 472500, while the sum is 43.

The spelling of 61537355152 in words is "sixty-one billion, five hundred thirty-seven million, three hundred fifty-five thousand, one hundred fifty-two".