52001551251 has 12 divisors (see below), whose sum is σ = 80891302128. Its totient is φ = 32000954544.

The previous prime is 52001551249. The next prime is 52001551271. The reversal of 52001551251 is 15215510025.

52001551251 is a `hidden beast` number, since 520 + 0 + 15 + 5 + 125 + 1 = 666.

It is not a de Polignac number, because 52001551251 - 2¹ = 52001551249 is a prime.

It is a super-2 number, since 2×52001551251² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52001551211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222228735 + ... + 222228968.

It is an arithmetic number, because the mean of its divisors is an integer number (6740941844).

Almost surely, 2^52001551251 is an apocalyptic number.

52001551251 is a deficient number, since it is larger than the sum of its proper divisors (28889750877).

52001551251 is a wasteful number, since it uses less digits than its factorization.

52001551251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444457722 (or 444457719 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 52001551251 in words is "fifty-two billion, one million, five hundred fifty-one thousand, two hundred fifty-one".