61337276271 has 16 divisors (see below), whose sum is σ = 90880328800. Its totient is φ = 40886887104.

The previous prime is 61337276261. The next prime is 61337276279. The reversal of 61337276271 is 17267273316.

61337276271 is a `hidden beast` number, since 6 + 1 + 3 + 372 + 7 + 6 + 271 = 666.

It is not a de Polignac number, because 61337276271 - 2⁹ = 61337275759 is a prime.

It is a super-2 number, since 2×61337276271² (a number of 22 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 (61337276279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123195 + ... + 371283.

It is an arithmetic number, because the mean of its divisors is an integer number (5680020550).

Almost surely, 2^61337276271 is an apocalyptic number.

61337276271 is a deficient number, since it is larger than the sum of its proper divisors (29543052529).

61337276271 is a wasteful number, since it uses less digits than its factorization.

61337276271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257255 (or 257249 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The spelling of 61337276271 in words is "sixty-one billion, three hundred thirty-seven million, two hundred seventy-six thousand, two hundred seventy-one".