40545151121015 has 8 divisors (see below), whose sum is σ = 49320676980528. Its totient is φ = 31991790473280.

The previous prime is 40545151121011. The next prime is 40545151121017. The reversal of 40545151121015 is 51012115154504.

40545151121015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40545151121015 - 2² = 40545151121011 is a prime.

It is a super-2 number, since 2×40545151121015² (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 (40545151121011) 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 7 ways as a sum of consecutive naturals, for example, 55541302541 + ... + 55541303270.

It is an arithmetic number, because the mean of its divisors is an integer number (6165084622566).

Almost surely, 2^{40545151121015} is an apocalyptic number.

40545151121015 is a deficient number, since it is larger than the sum of its proper divisors (8775525859513).

40545151121015 is a wasteful number, since it uses less digits than its factorization.

40545151121015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111082605889.

The product of its (nonzero) digits is 20000, while the sum is 35.

Adding to 40545151121015 its reverse (51012115154504), we get a palindrome (91557266275519).

The spelling of 40545151121015 in words is "forty trillion, five hundred forty-five billion, one hundred fifty-one million, one hundred twenty-one thousand, fifteen".