40121703643011 has 4 divisors (see below), whose sum is σ = 53495604857352. Its totient is φ = 26747802428672.

The previous prime is 40121703642967. The next prime is 40121703643033. The reversal of 40121703643011 is 11034630712104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40121703643011 - 2⁹ = 40121703642499 is a prime.

It is a super-2 number, since 2×40121703643011² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40121703643081) 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, 6686950607166 + ... + 6686950607171.

It is an arithmetic number, because the mean of its divisors is an integer number (13373901214338).

Almost surely, 2^{40121703643011} is an apocalyptic number.

40121703643011 is a deficient number, since it is larger than the sum of its proper divisors (13373901214341).

40121703643011 is a wasteful number, since it uses less digits than its factorization.

40121703643011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13373901214340.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 40121703643011 in words is "forty trillion, one hundred twenty-one billion, seven hundred three million, six hundred forty-three thousand, eleven".