40151531050541 has 4 divisors (see below), whose sum is σ = 40246902858684. Its totient is φ = 40056159242400.

The previous prime is 40151531050511. The next prime is 40151531050549. The reversal of 40151531050541 is 14505013515104.

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 9616070758441 + 30535460292100 = 3100979^2 + 5525890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40151531050541 is a prime.

It is a super-2 number, since 2×40151531050541² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40151531050549) 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, 47685903440 + ... + 47685904281.

It is an arithmetic number, because the mean of its divisors is an integer number (10061725714671).

Almost surely, 2^{40151531050541} is an apocalyptic number.

It is an amenable number.

40151531050541 is a deficient number, since it is larger than the sum of its proper divisors (95371808143).

40151531050541 is an equidigital number, since it uses as much as digits as its factorization.

40151531050541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95371808142.

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 40151531050541 its reverse (14505013515104), we get a palindrome (54656544565645).

The spelling of 40151531050541 in words is "forty trillion, one hundred fifty-one billion, five hundred thirty-one million, fifty thousand, five hundred forty-one".