40015121135331 has 16 divisors (see below), whose sum is σ = 53378081168384. Its totient is φ = 26664456243744.

The previous prime is 40015121135279. The next prime is 40015121135383. The reversal of 40015121135331 is 13353112151004.

It is an interprime number because it is at equal distance from previous prime (40015121135279) and next prime (40015121135383).

It is not a de Polignac number, because 40015121135331 - 2¹⁵ = 40015121102563 is a prime.

It is a super-2 number, since 2×40015121135331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40015121135131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82686990 + ... + 83169516.

It is an arithmetic number, because the mean of its divisors is an integer number (3336130073024).

Almost surely, 2^{40015121135331} is an apocalyptic number.

40015121135331 is a deficient number, since it is larger than the sum of its proper divisors (13362960033053).

40015121135331 is a wasteful number, since it uses less digits than its factorization.

40015121135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495210.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 40015121135331 its reverse (13353112151004), we get a palindrome (53368233286335).

The spelling of 40015121135331 in words is "forty trillion, fifteen billion, one hundred twenty-one million, one hundred thirty-five thousand, three hundred thirty-one".