61000026213 has 8 divisors (see below), whose sum is σ = 92952420928. Its totient is φ = 34857157824.

The previous prime is 61000026203. The next prime is 61000026277. The reversal of 61000026213 is 31262000016.

It is a happy number.

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

It is not a de Polignac number, because 61000026213 - 2¹⁰ = 61000025189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2904763153 = 61000026213 / (6 + 1 + 0 + 0 + 0 + 0 + 2 + 6 + 2 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61000026213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61000026203) 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, 1452381556 + ... + 1452381597.

It is an arithmetic number, because the mean of its divisors is an integer number (11619052616).

Almost surely, 2^61000026213 is an apocalyptic number.

It is an amenable number.

61000026213 is a deficient number, since it is larger than the sum of its proper divisors (31952394715).

61000026213 is a wasteful number, since it uses less digits than its factorization.

61000026213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904763163.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 61000026213 its reverse (31262000016), we get a palindrome (92262026229).

The spelling of 61000026213 in words is "sixty-one billion, twenty-six thousand, two hundred thirteen".