91145544130522 has 16 divisors (see below), whose sum is σ = 156570345106560. Its totient is φ = 38982165835248.

The previous prime is 91145544130507. The next prime is 91145544130523. The reversal of 91145544130522 is 22503144554119.

It is not an unprimeable number, because it can be changed into a prime (91145544130523) 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, 6684177997 + ... + 6684191632.

It is an arithmetic number, because the mean of its divisors is an integer number (9785646569160).

Almost surely, 2^{91145544130522} is an apocalyptic number.

91145544130522 is a deficient number, since it is larger than the sum of its proper divisors (65424800976038).

91145544130522 is a wasteful number, since it uses less digits than its factorization.

91145544130522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13368370125.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 91145544130522 in words is "ninety-one trillion, one hundred forty-five billion, five hundred forty-four million, one hundred thirty thousand, five hundred twenty-two".