70005505501 has 2 divisors, whose sum is σ = 70005505502. Its totient is φ = 70005505500.

The previous prime is 70005505499. The next prime is 70005505541. The reversal of 70005505501 is 10550550007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64391600025 + 5613905476 = 253755^2 + 74926^2 .

It is an emirp because it is prime and its reverse (10550550007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70005505501 - 2¹ = 70005505499 is a prime.

It is a super-2 number, since 2×70005505501² (a number of 22 digits) contains 22 as substring.

Together with 70005505499, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70005505501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70005505541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35002752750 + 35002752751.

It is an arithmetic number, because the mean of its divisors is an integer number (35002752751).

Almost surely, 2^70005505501 is an apocalyptic number.

It is an amenable number.

70005505501 is a deficient number, since it is larger than the sum of its proper divisors (1).

70005505501 is an equidigital number, since it uses as much as digits as its factorization.

70005505501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4375, while the sum is 28.

The spelling of 70005505501 in words is "seventy billion, five million, five hundred five thousand, five hundred one".