2051511552300 has 216 divisors, whose sum is σ = 6910756224960. Its totient is φ = 468512553600.

The previous prime is 2051511552263. The next prime is 2051511552331. The reversal of 2051511552300 is 32551151502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17154111 + ... + 17273289.

Almost surely, 2^{2051511552300} is an apocalyptic number.

2051511552300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051511552300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3455378112480).

2051511552300 is an abundant number, since it is smaller than the sum of its proper divisors (4859244672660).

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

2051511552300 is a wasteful number, since it uses less digits than its factorization.

2051511552300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120381 (or 120367 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 2051511552300 in words is "two trillion, fifty-one billion, five hundred eleven million, five hundred fifty-two thousand, three hundred".