61139228367 has 16 divisors (see below), whose sum is σ = 93468015872. Its totient is φ = 34822897920.

The previous prime is 61139228341. The next prime is 61139228389. The reversal of 61139228367 is 76382293116.

It is not a de Polignac number, because 61139228367 - 2¹¹ = 61139226319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61139228467) 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, 4735234 + ... + 4748127.

It is an arithmetic number, because the mean of its divisors is an integer number (5841750992).

Almost surely, 2^61139228367 is an apocalyptic number.

61139228367 is a deficient number, since it is larger than the sum of its proper divisors (32328787505).

61139228367 is a wasteful number, since it uses less digits than its factorization.

61139228367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483678.

The product of its digits is 653184, while the sum is 48.

The spelling of 61139228367 in words is "sixty-one billion, one hundred thirty-nine million, two hundred twenty-eight thousand, three hundred sixty-seven".