61027156375272 has 128 divisors (see below), whose sum is σ = 169912517443200. Its totient is φ = 20295304012800.

The previous prime is 61027156375223. The next prime is 61027156375291. The reversal of 61027156375272 is 27257365172016.

61027156375272 is a `hidden beast` number, since 6 + 1 + 0 + 2 + 7 + 1 + 563 + 7 + 5 + 2 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252404983 + ... + 252646649.

It is an arithmetic number, because the mean of its divisors is an integer number (1327441542525).

Almost surely, 2^{61027156375272} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61027156375272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84956258721600).

61027156375272 is an abundant number, since it is smaller than the sum of its proper divisors (108885361067928).

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

61027156375272 is a wasteful number, since it uses less digits than its factorization.

61027156375272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244384 (or 244374 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 54.

The spelling of 61027156375272 in words is "sixty-one trillion, twenty-seven billion, one hundred fifty-six million, three hundred seventy-five thousand, two hundred seventy-two".