61121236522 has 8 divisors (see below), whose sum is σ = 91690021476. Its totient is φ = 30557896032.

The previous prime is 61121236513. The next prime is 61121236531. The reversal of 61121236522 is 22563212116.

It is an interprime number because it is at equal distance from previous prime (61121236513) and next prime (61121236531).

It can be written as a sum of positive squares in 2 ways, for example, as 60452548641 + 668687881 = 245871^2 + 25859^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1332933 + ... + 1378024.

Almost surely, 2^61121236522 is an apocalyptic number.

61121236522 is a deficient number, since it is larger than the sum of its proper divisors (30568784954).

61121236522 is a wasteful number, since it uses less digits than its factorization.

61121236522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722232.

The product of its digits is 8640, while the sum is 31.

Adding to 61121236522 its reverse (22563212116), we get a palindrome (83684448638).

The spelling of 61121236522 in words is "sixty-one billion, one hundred twenty-one million, two hundred thirty-six thousand, five hundred twenty-two".