2155433003142 has 16 divisors (see below), whose sum is σ = 4416009080112. Its totient is φ = 700953822080.

The previous prime is 2155433003117. The next prime is 2155433003261. The reversal of 2155433003142 is 2413003345512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4380961143 + ... + 4380961634.

It is an arithmetic number, because the mean of its divisors is an integer number (276000567507).

Almost surely, 2^{2155433003142} is an apocalyptic number.

2155433003142 is an abundant number, since it is smaller than the sum of its proper divisors (2260576076970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2155433003142 is a wasteful number, since it uses less digits than its factorization.

2155433003142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761922823.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 2155433003142 its reverse (2413003345512), we get a palindrome (4568436348654).

The spelling of 2155433003142 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-three million, three thousand, one hundred forty-two".