55007111251 has 2 divisors, whose sum is σ = 55007111252. Its totient is φ = 55007111250.

The previous prime is 55007111249. The next prime is 55007111297. The reversal of 55007111251 is 15211170055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55007111251 - 2¹ = 55007111249 is a prime.

Together with 55007111249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55007111651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27503555625 + 27503555626.

It is an arithmetic number, because the mean of its divisors is an integer number (27503555626).

Almost surely, 2^55007111251 is an apocalyptic number.

55007111251 is a deficient number, since it is larger than the sum of its proper divisors (1).

55007111251 is an equidigital number, since it uses as much as digits as its factorization.

55007111251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1750, while the sum is 28.

The spelling of 55007111251 in words is "fifty-five billion, seven million, one hundred eleven thousand, two hundred fifty-one".