61031745204527 has 8 divisors (see below), whose sum is σ = 61125616559616. Its totient is φ = 60937875097632.

The previous prime is 61031745204517. The next prime is 61031745204533. The reversal of 61031745204527 is 72540254713016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61031745204527 - 2¹⁴ = 61031745188143 is a prime.

It is a super-2 number, since 2×61031745204527² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61031745204517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163610258 + ... + 163982864.

It is an arithmetic number, because the mean of its divisors is an integer number (7640702069952).

Almost surely, 2^{61031745204527} is an apocalyptic number.

61031745204527 is a deficient number, since it is larger than the sum of its proper divisors (93871355089).

61031745204527 is a wasteful number, since it uses less digits than its factorization.

61031745204527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624097.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 61031745204527 in words is "sixty-one trillion, thirty-one billion, seven hundred forty-five million, two hundred four thousand, five hundred twenty-seven".