2155460321641 has 8 divisors (see below), whose sum is σ = 2352250184544. Its totient is φ = 1958810279520.

The previous prime is 2155460321593. The next prime is 2155460321699. The reversal of 2155460321641 is 1461230645512.

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

It is a cyclic number.

It is not a de Polignac number, because 2155460321641 - 2⁷ = 2155460321513 is a prime.

It is a super-3 number, since 3×2155460321641³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2155460321594 and 2155460321603.

It is not an unprimeable number, because it can be changed into a prime (2155460321941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34922956 + ... + 34984621.

It is an arithmetic number, because the mean of its divisors is an integer number (294031273068).

Almost surely, 2^{2155460321641} is an apocalyptic number.

It is an amenable number.

2155460321641 is a deficient number, since it is larger than the sum of its proper divisors (196789862903).

2155460321641 is a wasteful number, since it uses less digits than its factorization.

2155460321641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69910391.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 2155460321641 in words is "two trillion, one hundred fifty-five billion, four hundred sixty million, three hundred twenty-one thousand, six hundred forty-one".