70112551 has 2 divisors, whose sum is σ = 70112552. Its totient is φ = 70112550.

The previous prime is 70112491. The next prime is 70112597. The reversal of 70112551 is 15521107.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70112551 - 2⁷ = 70112423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70112051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35056275 + 35056276.

It is an arithmetic number, because the mean of its divisors is an integer number (35056276).

Almost surely, 2^70112551 is an apocalyptic number.

70112551 is a deficient number, since it is larger than the sum of its proper divisors (1).

70112551 is an equidigital number, since it uses as much as digits as its factorization.

70112551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 70112551 is about 8373.3237725529. The cubic root of 70112551 is about 412.3492949320.

Adding to 70112551 its reverse (15521107), we get a palindrome (85633658).

The spelling of 70112551 in words is "seventy million, one hundred twelve thousand, five hundred fifty-one".