2155433540354 has 8 divisors (see below), whose sum is σ = 3269477842380. Its totient is φ = 1065607592896.

The previous prime is 2155433540341. The next prime is 2155433540383. The reversal of 2155433540354 is 4530453345512.

It can be written as a sum of positive squares in 2 ways, for example, as 1972999483225 + 182434057129 = 1404635^2 + 427123^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6054588419 + ... + 6054588774.

Almost surely, 2^{2155433540354} is an apocalyptic number.

2155433540354 is a deficient number, since it is larger than the sum of its proper divisors (1114044302026).

2155433540354 is a wasteful number, since it uses less digits than its factorization.

2155433540354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12109177284.

The product of its (nonzero) digits is 2160000, while the sum is 44.

Adding to 2155433540354 its reverse (4530453345512), we get a palindrome (6685886885866).

The spelling of 2155433540354 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-three million, five hundred forty thousand, three hundred fifty-four".