2855251261300 has 36 divisors (see below), whose sum is σ = 6252738336460. Its totient is φ = 1131622513920.

The previous prime is 2855251261273. The next prime is 2855251261327. The reversal of 2855251261300 is 31621525582.

It is an interprime number because it is at equal distance from previous prime (2855251261273) and next prime (2855251261327).

It can be written as a sum of positive squares in 6 ways, for example, as 20762504464 + 2834488756836 = 144092^2 + 1683594^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130963929 + ... + 130985728.

Almost surely, 2^{2855251261300} is an apocalyptic number.

2855251261300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2855251261300 is an abundant number, since it is smaller than the sum of its proper divisors (3397487075160).

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

2855251261300 is a wasteful number, since it uses less digits than its factorization.

2855251261300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261949780 (or 261949773 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 2855251261300 its reverse (31621525582), we get a palindrome (2886872786882).

The spelling of 2855251261300 in words is "two trillion, eight hundred fifty-five billion, two hundred fifty-one million, two hundred sixty-one thousand, three hundred".