61121322734 has 8 divisors (see below), whose sum is σ = 91690286688. Its totient is φ = 30557893840.

The previous prime is 61121322709. The next prime is 61121322739. The reversal of 61121322734 is 43722312116.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61121322734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61121322739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1356047 + ... + 1400394.

It is an arithmetic number, because the mean of its divisors is an integer number (11461285836).

Almost surely, 2^61121322734 is an apocalyptic number.

61121322734 is a deficient number, since it is larger than the sum of its proper divisors (30568963954).

61121322734 is a wasteful number, since it uses less digits than its factorization.

61121322734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767530.

The product of its digits is 12096, while the sum is 32.

The spelling of 61121322734 in words is "sixty-one billion, one hundred twenty-one million, three hundred twenty-two thousand, seven hundred thirty-four".