70120511 has 2 divisors, whose sum is σ = 70120512. Its totient is φ = 70120510.

The previous prime is 70120433. The next prime is 70120541. The reversal of 70120511 is 11502107.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70120511 - 2¹⁰ = 70119487 is a prime.

It is a super-2 number, since 2×70120511² = 9833772125802242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70120511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70120541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35060255 + 35060256.

It is an arithmetic number, because the mean of its divisors is an integer number (35060256).

Almost surely, 2^70120511 is an apocalyptic number.

70120511 is a deficient number, since it is larger than the sum of its proper divisors (1).

70120511 is an equidigital number, since it uses as much as digits as its factorization.

70120511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 70120511 is about 8373.7990780768. The cubic root of 70120511 is about 412.3648992526.

Adding to 70120511 its reverse (11502107), we get a palindrome (81622618).

It can be divided in two parts, 701 and 20511, that added together give a palindrome (21212).

The spelling of 70120511 in words is "seventy million, one hundred twenty thousand, five hundred eleven".