75125652157 has 4 divisors (see below), whose sum is σ = 76724070336. Its totient is φ = 73527233980.

The previous prime is 75125652047. The next prime is 75125652229.

75125652157 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75125652157 - 2⁷ = 75125652029 is a prime.

It is a super-2 number, since 2×75125652157² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75125652457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799209019 + ... + 799209112.

It is an arithmetic number, because the mean of its divisors is an integer number (19181017584).

Almost surely, 2^75125652157 is an apocalyptic number.

It is an amenable number.

75125652157 is a deficient number, since it is larger than the sum of its proper divisors (1598418179).

75125652157 is a wasteful number, since it uses less digits than its factorization.

75125652157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598418178.

The product of its digits is 735000, while the sum is 46.

The spelling of 75125652157 in words is "seventy-five billion, one hundred twenty-five million, six hundred fifty-two thousand, one hundred fifty-seven".