61243758611 has 8 divisors (see below), whose sum is σ = 70000704864. Its totient is φ = 52488771840.

The previous prime is 61243758607. The next prime is 61243758643. The reversal of 61243758611 is 11685734216.

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

It is a cyclic number.

It is not a de Polignac number, because 61243758611 - 2² = 61243758607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61243758211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422270 + ... + 548451.

It is an arithmetic number, because the mean of its divisors is an integer number (8750088108).

Almost surely, 2^61243758611 is an apocalyptic number.

61243758611 is a deficient number, since it is larger than the sum of its proper divisors (8756946253).

61243758611 is an equidigital number, since it uses as much as digits as its factorization.

61243758611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979741.

The product of its digits is 241920, while the sum is 44.

The spelling of 61243758611 in words is "sixty-one billion, two hundred forty-three million, seven hundred fifty-eight thousand, six hundred eleven".