75155617245 has 8 divisors (see below), whose sum is σ = 120248987616. Its totient is φ = 40082995856.

The previous prime is 75155617211. The next prime is 75155617249. The reversal of 75155617245 is 54271655157.

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 75155617245 - 2⁹ = 75155616733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75155617194 and 75155617203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75155617249) 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, 2505187227 + ... + 2505187256.

It is an arithmetic number, because the mean of its divisors is an integer number (15031123452).

Almost surely, 2^75155617245 is an apocalyptic number.

It is an amenable number.

75155617245 is a deficient number, since it is larger than the sum of its proper divisors (45093370371).

75155617245 is a wasteful number, since it uses less digits than its factorization.

75155617245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010374491.

The product of its digits is 1470000, while the sum is 48.

The spelling of 75155617245 in words is "seventy-five billion, one hundred fifty-five million, six hundred seventeen thousand, two hundred forty-five".