61327653550472 has 16 divisors (see below), whose sum is σ = 114989872108560. Its totient is φ = 30663687654864.

The previous prime is 61327653550453. The next prime is 61327653550543. The reversal of 61327653550472 is 27405535672316.

It is a super-2 number, since 2×61327653550472² (a number of 28 digits) contains 22 as substring.

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, 15504518 + ... + 19053749.

It is an arithmetic number, because the mean of its divisors is an integer number (7186867006785).

Almost surely, 2^{61327653550472} is an apocalyptic number.

It is an amenable number.

61327653550472 is a deficient number, since it is larger than the sum of its proper divisors (53662218558088).

61327653550472 is a wasteful number, since it uses less digits than its factorization.

61327653550472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34780100 (or 34780096 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 56.

The spelling of 61327653550472 in words is "sixty-one trillion, three hundred twenty-seven billion, six hundred fifty-three million, five hundred fifty thousand, four hundred seventy-two".