91551441532402 has 16 divisors (see below), whose sum is σ = 149539559673600. Its totient is φ = 41871076707600.

The previous prime is 91551441532391. The next prime is 91551441532483. The reversal of 91551441532402 is 20423514415519.

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, 41538765474 + ... + 41538767677.

It is an arithmetic number, because the mean of its divisors is an integer number (9346222479600).

Almost surely, 2^{91551441532402} is an apocalyptic number.

91551441532402 is a deficient number, since it is larger than the sum of its proper divisors (57988118141198).

91551441532402 is a wasteful number, since it uses less digits than its factorization.

91551441532402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83077533201.

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

The spelling of 91551441532402 in words is "ninety-one trillion, five hundred fifty-one billion, four hundred forty-one million, five hundred thirty-two thousand, four hundred two".