204415153051 has 4 divisors (see below), whose sum is σ = 204778235592. Its totient is φ = 204052070512.

The previous prime is 204415153009. The next prime is 204415153069. The reversal of 204415153051 is 150351514402.

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

It is a cyclic number.

It is not a de Polignac number, because 204415153051 - 2²⁷ = 204280935323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204415153091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181540426 + ... + 181541551.

It is an arithmetic number, because the mean of its divisors is an integer number (51194558898).

Almost surely, 2^204415153051 is an apocalyptic number.

204415153051 is a deficient number, since it is larger than the sum of its proper divisors (363082541).

204415153051 is an equidigital number, since it uses as much as digits as its factorization.

204415153051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363082540.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 204415153051 its reverse (150351514402), we get a palindrome (354766667453).

The spelling of 204415153051 in words is "two hundred four billion, four hundred fifteen million, one hundred fifty-three thousand, fifty-one".