2253155112521 has 8 divisors (see below), whose sum is σ = 2255420872800. Its totient is φ = 2250889816032.

The previous prime is 2253155112517. The next prime is 2253155112577. The reversal of 2253155112521 is 1252115513522.

It is a happy number.

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 2253155112521 - 2² = 2253155112517 is a prime.

It is a super-2 number, since 2×2253155112521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2253155111521) 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, 10051166 + ... + 10272888.

It is an arithmetic number, because the mean of its divisors is an integer number (281927609100).

Almost surely, 2^{2253155112521} is an apocalyptic number.

It is an amenable number.

2253155112521 is a deficient number, since it is larger than the sum of its proper divisors (2265760279).

2253155112521 is a wasteful number, since it uses less digits than its factorization.

2253155112521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231895.

The product of its digits is 30000, while the sum is 35.

The spelling of 2253155112521 in words is "two trillion, two hundred fifty-three billion, one hundred fifty-five million, one hundred twelve thousand, five hundred twenty-one".