61562011223 has 2 divisors, whose sum is σ = 61562011224. Its totient is φ = 61562011222.

The previous prime is 61562011201. The next prime is 61562011253. The reversal of 61562011223 is 32211026516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61562011223 - 2¹⁴ = 61561994839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61562011253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30781005611 + 30781005612.

It is an arithmetic number, because the mean of its divisors is an integer number (30781005612).

Almost surely, 2^61562011223 is an apocalyptic number.

61562011223 is a deficient number, since it is larger than the sum of its proper divisors (1).

61562011223 is an equidigital number, since it uses as much as digits as its factorization.

61562011223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 61562011223 its reverse (32211026516), we get a palindrome (93773037739).

The spelling of 61562011223 in words is "sixty-one billion, five hundred sixty-two million, eleven thousand, two hundred twenty-three".