2153111340406 has 8 divisors (see below), whose sum is σ = 3478102934544. Its totient is φ = 993743695560.

The previous prime is 2153111340353. The next prime is 2153111340409. The reversal of 2153111340406 is 6040431113512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153111340409) 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, 41405987290 + ... + 41405987341.

It is an arithmetic number, because the mean of its divisors is an integer number (434762866818).

Almost surely, 2^{2153111340406} is an apocalyptic number.

2153111340406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2153111340406 is a deficient number, since it is larger than the sum of its proper divisors (1324991594138).

2153111340406 is a wasteful number, since it uses less digits than its factorization.

2153111340406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82811974646.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 2153111340406 its reverse (6040431113512), we get a palindrome (8193542453918).

The spelling of 2153111340406 in words is "two trillion, one hundred fifty-three billion, one hundred eleven million, three hundred forty thousand, four hundred six".