251210540010055 has 8 divisors (see below), whose sum is σ = 303136741018800. Its totient is φ = 199845703336896.

The previous prime is 251210540010013. The next prime is 251210540010077. The reversal of 251210540010055 is 550010045012152.

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 251210540010055 - 2⁷ = 251210540009927 is a prime.

It is a super-2 number, since 2×251210540010055² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 251210540009999 and 251210540010026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140341082910 + ... + 140341084699.

It is an arithmetic number, because the mean of its divisors is an integer number (37892092627350).

Almost surely, 2^{251210540010055} is an apocalyptic number.

251210540010055 is a deficient number, since it is larger than the sum of its proper divisors (51926201008745).

251210540010055 is a wasteful number, since it uses less digits than its factorization.

251210540010055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280682167793.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 251210540010055 in words is "two hundred fifty-one trillion, two hundred ten billion, five hundred forty million, ten thousand, fifty-five".