40003121151 has 96 divisors (see below), whose sum is σ = 73244221440. Its totient is φ = 20511703872.

The previous prime is 40003121129. The next prime is 40003121161. The reversal of 40003121151 is 15112130004.

40003121151 is a `hidden beast` number, since 400 + 0 + 3 + 1 + 211 + 51 = 666.

It is not a de Polignac number, because 40003121151 - 2⁷ = 40003121023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003121161) 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 95 ways as a sum of consecutive naturals, for example, 2828640 + ... + 2842746.

It is an arithmetic number, because the mean of its divisors is an integer number (762960640).

Almost surely, 2^40003121151 is an apocalyptic number.

40003121151 is a deficient number, since it is larger than the sum of its proper divisors (33241100289).

40003121151 is a wasteful number, since it uses less digits than its factorization.

40003121151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14265 (or 14262 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 40003121151 its reverse (15112130004), we get a palindrome (55115251155).

The spelling of 40003121151 in words is "forty billion, three million, one hundred twenty-one thousand, one hundred fifty-one".