61251102345 has 8 divisors (see below), whose sum is σ = 98001763776. Its totient is φ = 32667254576.

The previous prime is 61251102317. The next prime is 61251102431. The reversal of 61251102345 is 54320115216.

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 61251102345 - 2¹¹ = 61251100297 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2041703397 + ... + 2041703426.

It is an arithmetic number, because the mean of its divisors is an integer number (12250220472).

Almost surely, 2^61251102345 is an apocalyptic number.

It is an amenable number.

61251102345 is a deficient number, since it is larger than the sum of its proper divisors (36750661431).

61251102345 is a wasteful number, since it uses less digits than its factorization.

61251102345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083406831.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 61251102345 in words is "sixty-one billion, two hundred fifty-one million, one hundred two thousand, three hundred forty-five".