402421153355311 has 4 divisors (see below), whose sum is σ = 402701977608912. Its totient is φ = 402140329101712.

The previous prime is 402421153355279. The next prime is 402421153355357. The reversal of 402421153355311 is 113553351124204.

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 402421153355311 - 2⁵ = 402421153355279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402421153355911) 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, 140412124651 + ... + 140412127516.

It is an arithmetic number, because the mean of its divisors is an integer number (100675494402228).

Almost surely, 2^{402421153355311} is an apocalyptic number.

402421153355311 is a deficient number, since it is larger than the sum of its proper divisors (280824253601).

402421153355311 is a wasteful number, since it uses less digits than its factorization.

402421153355311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280824253600.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 402421153355311 in words is "four hundred two trillion, four hundred twenty-one billion, one hundred fifty-three million, three hundred fifty-five thousand, three hundred eleven".