61475712351 has 24 divisors (see below), whose sum is σ = 82674144000. Its totient is φ = 40633238016.

The previous prime is 61475712323. The next prime is 61475712359. The reversal of 61475712351 is 15321757416.

It is not a de Polignac number, because 61475712351 - 2¹⁰ = 61475711327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61475712359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41010400 + ... + 41011898.

It is an arithmetic number, because the mean of its divisors is an integer number (3444756000).

Almost surely, 2^61475712351 is an apocalyptic number.

61475712351 is a deficient number, since it is larger than the sum of its proper divisors (21198431649).

61475712351 is a wasteful number, since it uses less digits than its factorization.

61475712351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2062 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The spelling of 61475712351 in words is "sixty-one billion, four hundred seventy-five million, seven hundred twelve thousand, three hundred fifty-one".