61032705475 has 12 divisors (see below), whose sum is σ = 86492062864. Its totient is φ = 41850997920.

The previous prime is 61032705473. The next prime is 61032705491. The reversal of 61032705475 is 57450723016.

It is not a de Polignac number, because 61032705475 - 2¹ = 61032705473 is a prime.

It is a super-2 number, since 2×61032705475² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61032705473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174378984 + ... + 174379333.

Almost surely, 2^61032705475 is an apocalyptic number.

61032705475 is a deficient number, since it is larger than the sum of its proper divisors (25459357389).

61032705475 is a wasteful number, since it uses less digits than its factorization.

61032705475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348758334 (or 348758329 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 61032705475 in words is "sixty-one billion, thirty-two million, seven hundred five thousand, four hundred seventy-five".