91555087341 has 16 divisors (see below), whose sum is σ = 129305251584. Its totient is φ = 57423657984.

The previous prime is 91555087321. The next prime is 91555087369. The reversal of 91555087341 is 14378055519.

It is not a de Polignac number, because 91555087341 - 2¹³ = 91555079149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91555087301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223276 + ... + 482661.

It is an arithmetic number, because the mean of its divisors is an integer number (8081578224).

Almost surely, 2^91555087341 is an apocalyptic number.

It is an amenable number.

91555087341 is a deficient number, since it is larger than the sum of its proper divisors (37750164243).

91555087341 is a wasteful number, since it uses less digits than its factorization.

91555087341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708500.

The product of its (nonzero) digits is 756000, while the sum is 48.

It can be divided in two parts, 915 and 55087341, that added together give a triangular number (55088256 = T₁₀₄₉₆).

The spelling of 91555087341 in words is "ninety-one billion, five hundred fifty-five million, eighty-seven thousand, three hundred forty-one".