2421155453155 has 4 divisors (see below), whose sum is σ = 2905386543792. Its totient is φ = 1936924362520.

The previous prime is 2421155453089. The next prime is 2421155453173. The reversal of 2421155453155 is 5513545511242.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2421155453155 - 2¹³ = 2421155444963 is a prime.

It is a super-3 number, since 3×2421155453155³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

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, 242115545311 + ... + 242115545320.

It is an arithmetic number, because the mean of its divisors is an integer number (726346635948).

Almost surely, 2^{2421155453155} is an apocalyptic number.

2421155453155 is a deficient number, since it is larger than the sum of its proper divisors (484231090637).

2421155453155 is an equidigital number, since it uses as much as digits as its factorization.

2421155453155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484231090636.

The product of its digits is 600000, while the sum is 43.

The spelling of 2421155453155 in words is "two trillion, four hundred twenty-one billion, one hundred fifty-five million, four hundred fifty-three thousand, one hundred fifty-five".