41555023501 has 4 divisors (see below), whose sum is σ = 41570479900. Its totient is φ = 41539567104.

The previous prime is 41555023493. The next prime is 41555023507. The reversal of 41555023501 is 10532055514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7538754276 + 34016269225 = 86826^2 + 184435^2 .

It is a cyclic number.

It is not a de Polignac number, because 41555023501 - 2³ = 41555023493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41555023507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7724166 + ... + 7729543.

It is an arithmetic number, because the mean of its divisors is an integer number (10392619975).

Almost surely, 2^41555023501 is an apocalyptic number.

It is an amenable number.

41555023501 is a deficient number, since it is larger than the sum of its proper divisors (15456399).

41555023501 is a wasteful number, since it uses less digits than its factorization.

41555023501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456398.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 41555023501 in words is "forty-one billion, five hundred fifty-five million, twenty-three thousand, five hundred one".