40161130212533 has 4 divisors (see below), whose sum is σ = 43812142050048. Its totient is φ = 36510118375020.

The previous prime is 40161130212503. The next prime is 40161130212559. The reversal of 40161130212533 is 33521203116104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40161130212533 - 2¹⁰ = 40161130211509 is a prime.

It is a super-2 number, since 2×40161130212533² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40161130212533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161130212503) 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, 1825505918741 + ... + 1825505918762.

It is an arithmetic number, because the mean of its divisors is an integer number (10953035512512).

Almost surely, 2^{40161130212533} is an apocalyptic number.

It is an amenable number.

40161130212533 is a deficient number, since it is larger than the sum of its proper divisors (3651011837515).

40161130212533 is a wasteful number, since it uses less digits than its factorization.

40161130212533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651011837514.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 40161130212533 its reverse (33521203116104), we get a palindrome (73682333328637).

The spelling of 40161130212533 in words is "forty trillion, one hundred sixty-one billion, one hundred thirty million, two hundred twelve thousand, five hundred thirty-three".