2251155005412 has 24 divisors (see below), whose sum is σ = 5265537799200. Its totient is φ = 748550318016.

The previous prime is 2251155005383. The next prime is 2251155005443. The reversal of 2251155005412 is 2145005511522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229330362 + ... + 229340177.

It is an arithmetic number, because the mean of its divisors is an integer number (219397408300).

Almost surely, 2^{2251155005412} is an apocalyptic number.

It is an amenable number.

2251155005412 is an abundant number, since it is smaller than the sum of its proper divisors (3014382793788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251155005412 is a wasteful number, since it uses less digits than its factorization.

2251155005412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458670955 (or 458670953 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 2251155005412 in words is "two trillion, two hundred fifty-one billion, one hundred fifty-five million, five thousand, four hundred twelve".