61426522371 has 8 divisors (see below), whose sum is σ = 81925504704. Its totient is φ = 40939277480.

The previous prime is 61426522363. The next prime is 61426522373. The reversal of 61426522371 is 17322562416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61426522371 - 2³ = 61426522363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61426522373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2922141 + ... + 2943086.

It is an arithmetic number, because the mean of its divisors is an integer number (10240688088).

Almost surely, 2^61426522371 is an apocalyptic number.

61426522371 is a deficient number, since it is larger than the sum of its proper divisors (20498982333).

61426522371 is a wasteful number, since it uses less digits than its factorization.

61426522371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868721.

The product of its digits is 120960, while the sum is 39.

It can be divided in two parts, 614265 and 22371, that added together give a palindrome (636636).

The spelling of 61426522371 in words is "sixty-one billion, four hundred twenty-six million, five hundred twenty-two thousand, three hundred seventy-one".