75212155130 has 16 divisors (see below), whose sum is σ = 154722147840. Its totient is φ = 25787024592.

The previous prime is 75212155129. The next prime is 75212155181. The reversal of 75212155130 is 3155121257.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537229610 + ... + 537229749.

It is an arithmetic number, because the mean of its divisors is an integer number (9670134240).

Almost surely, 2^75212155130 is an apocalyptic number.

75212155130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75212155130 is an abundant number, since it is smaller than the sum of its proper divisors (79509992710).

75212155130 is a wasteful number, since it uses less digits than its factorization.

75212155130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074459373.

The product of its (nonzero) digits is 10500, while the sum is 32.

Adding to 75212155130 its reverse (3155121257), we get a palindrome (78367276387).

The spelling of 75212155130 in words is "seventy-five billion, two hundred twelve million, one hundred fifty-five thousand, one hundred thirty".