75575272551 has 8 divisors (see below), whose sum is σ = 100804598400. Its totient is φ = 50364730872.

The previous prime is 75575272547. The next prime is 75575272559. The reversal of 75575272551 is 15527257557.

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

It is not a de Polignac number, because 75575272551 - 2² = 75575272547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75575272494 and 75575272503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75575272559) 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, 4686651 + ... + 4702748.

It is an arithmetic number, because the mean of its divisors is an integer number (12600574800).

Almost surely, 2^75575272551 is an apocalyptic number.

75575272551 is a deficient number, since it is larger than the sum of its proper divisors (25229325849).

75575272551 is a wasteful number, since it uses less digits than its factorization.

75575272551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392085.

The product of its digits is 4287500, while the sum is 51.

The spelling of 75575272551 in words is "seventy-five billion, five hundred seventy-five million, two hundred seventy-two thousand, five hundred fifty-one".