40143115434515 has 32 divisors (see below), whose sum is σ = 52806016972800. Its totient is φ = 29182272053760.

The previous prime is 40143115434511. The next prime is 40143115434533. The reversal of 40143115434515 is 51543451134104.

It is not a de Polignac number, because 40143115434515 - 2² = 40143115434511 is a prime.

It is a super-2 number, since 2×40143115434515² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40143115434511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59981105 + ... + 60646674.

It is an arithmetic number, because the mean of its divisors is an integer number (1650188030400).

Almost surely, 2^{40143115434515} is an apocalyptic number.

40143115434515 is a deficient number, since it is larger than the sum of its proper divisors (12662901538285).

40143115434515 is a wasteful number, since it uses less digits than its factorization.

40143115434515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120627947.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 40143115434515 its reverse (51543451134104), we get a palindrome (91686566568619).

The spelling of 40143115434515 in words is "forty trillion, one hundred forty-three billion, one hundred fifteen million, four hundred thirty-four thousand, five hundred fifteen".