75531081030 has 16 divisors (see below), whose sum is σ = 181274594544. Its totient is φ = 20141621600.

The previous prime is 75531081011. The next prime is 75531081037. The reversal of 75531081030 is 3018013557.

It is a junction number, because it is equal to n+sod(n) for n = 75531080982 and 75531081000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75531081037) 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, 1258851321 + ... + 1258851380.

It is an arithmetic number, because the mean of its divisors is an integer number (11329662159).

Almost surely, 2^75531081030 is an apocalyptic number.

75531081030 is an abundant number, since it is smaller than the sum of its proper divisors (105743513514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75531081030 is a wasteful number, since it uses less digits than its factorization.

75531081030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517702711.

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 75531081030 its reverse (3018013557), we get a palindrome (78549094587).

The spelling of 75531081030 in words is "seventy-five billion, five hundred thirty-one million, eighty-one thousand, thirty".