70500054551 has 2 divisors, whose sum is σ = 70500054552. Its totient is φ = 70500054550.

The previous prime is 70500054511. The next prime is 70500054557. The reversal of 70500054551 is 15545000507.

It is a strong prime.

It is an emirp because it is prime and its reverse (15545000507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70500054551 - 2²² = 70495860247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70500054557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35250027275 + 35250027276.

It is an arithmetic number, because the mean of its divisors is an integer number (35250027276).

Almost surely, 2^70500054551 is an apocalyptic number.

70500054551 is a deficient number, since it is larger than the sum of its proper divisors (1).

70500054551 is an equidigital number, since it uses as much as digits as its factorization.

70500054551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 32.

The spelling of 70500054551 in words is "seventy billion, five hundred million, fifty-four thousand, five hundred fifty-one".