61001420326 has 96 divisors (see below), whose sum is σ = 117362850048. Its totient is φ = 23101485120.

The previous prime is 61001420317. The next prime is 61001420329. The reversal of 61001420326 is 62302410016.

It is a self number, because there is not a number n which added to its sum of digits gives 61001420326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001420329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80582740 + ... + 80583496.

It is an arithmetic number, because the mean of its divisors is an integer number (1222529688).

Almost surely, 2^61001420326 is an apocalyptic number.

61001420326 is a deficient number, since it is larger than the sum of its proper divisors (56361429722).

61001420326 is a wasteful number, since it uses less digits than its factorization.

61001420326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 61001420326 in words is "sixty-one billion, one million, four hundred twenty thousand, three hundred twenty-six".