40537541555537 has 4 divisors (see below), whose sum is σ = 43655813982900. Its totient is φ = 37419269128176.

The previous prime is 40537541555461. The next prime is 40537541555557. The reversal of 40537541555537 is 73555514573504.

40537541555537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7501704677776 + 33035836877761 = 2738924^2 + 5747681^2 .

It is not a de Polignac number, because 40537541555537 - 2²⁴ = 40537524778321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40537541555557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559136213662 + ... + 1559136213687.

It is an arithmetic number, because the mean of its divisors is an integer number (10913953495725).

Almost surely, 2^{40537541555537} is an apocalyptic number.

It is an amenable number.

40537541555537 is a deficient number, since it is larger than the sum of its proper divisors (3118272427363).

40537541555537 is a wasteful number, since it uses less digits than its factorization.

40537541555537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118272427362.

The product of its (nonzero) digits is 110250000, while the sum is 59.

The spelling of 40537541555537 in words is "forty trillion, five hundred thirty-seven billion, five hundred forty-one million, five hundred fifty-five thousand, five hundred thirty-seven".