2155658541 has 8 divisors (see below), whose sum is σ = 2876499360. Its totient is φ = 1435961712.

The previous prime is 2155658539. The next prime is 2155658567. The reversal of 2155658541 is 1458565512.

2155658541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2155658541 - 2¹ = 2155658539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2155658493 and 2155658502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155658341) 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, 281590 + ... + 289143.

It is an arithmetic number, because the mean of its divisors is an integer number (359562420).

Almost surely, 2^2155658541 is an apocalyptic number.

It is an amenable number.

2155658541 is a deficient number, since it is larger than the sum of its proper divisors (720840819).

2155658541 is a wasteful number, since it uses less digits than its factorization.

2155658541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571995.

The product of its digits is 240000, while the sum is 42.

The square root of 2155658541 is about 46429.0699993011. The cubic root of 2155658541 is about 1291.7941785145.

The spelling of 2155658541 in words is "two billion, one hundred fifty-five million, six hundred fifty-eight thousand, five hundred forty-one".