61546038875 has 32 divisors (see below), whose sum is σ = 77600001024. Its totient is φ = 48730956000.

The previous prime is 61546038809. The next prime is 61546038929. The reversal of 61546038875 is 57883064516.

61546038875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61546038875 - 2¹⁰ = 61546037851 is a prime.

It is a super-2 number, since 2×61546038875² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

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, 25825934 + ... + 25828316.

It is an arithmetic number, because the mean of its divisors is an integer number (2425000032).

Almost surely, 2^61546038875 is an apocalyptic number.

61546038875 is a deficient number, since it is larger than the sum of its proper divisors (16053962149).

61546038875 is a wasteful number, since it uses less digits than its factorization.

61546038875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436 (or 4426 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 61546038875 in words is "sixty-one billion, five hundred forty-six million, thirty-eight thousand, eight hundred seventy-five".