2155433719008 has 96 divisors (see below), whose sum is σ = 5950729193472. Its totient is φ = 682182259200.

The previous prime is 2155433719007. The next prime is 2155433719009. The reversal of 2155433719008 is 8009173345512.

It is an interprime number because it is at equal distance from previous prime (2155433719007) and next prime (2155433719009).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155433719003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6675028 + ... + 6990483.

It is an arithmetic number, because the mean of its divisors is an integer number (61986762432).

Almost surely, 2^{2155433719008} is an apocalyptic number.

It is an amenable number.

2155433719008 is an abundant number, since it is smaller than the sum of its proper divisors (3795295474464).

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

2155433719008 is a wasteful number, since it uses less digits than its factorization.

2155433719008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13665608 (or 13665600 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 2155433719008 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-three million, seven hundred nineteen thousand, eight".