71500157230 has 32 divisors (see below), whose sum is σ = 135561000960. Its totient is φ = 27077392800.

The previous prime is 71500157213. The next prime is 71500157279. The reversal of 71500157230 is 3275100517.

It is a super-2 number, since 2×71500157230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71500157192 and 71500157201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177655 + ... + 417805.

It is an arithmetic number, because the mean of its divisors is an integer number (4236281280).

Almost surely, 2^71500157230 is an apocalyptic number.

71500157230 is a deficient number, since it is larger than the sum of its proper divisors (64060843730).

71500157230 is a wasteful number, since it uses less digits than its factorization.

71500157230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241744.

The product of its (nonzero) digits is 7350, while the sum is 31.

Adding to 71500157230 its reverse (3275100517), we get a palindrome (74775257747).

The spelling of 71500157230 in words is "seventy-one billion, five hundred million, one hundred fifty-seven thousand, two hundred thirty".