85153143451 has 2 divisors, whose sum is σ = 85153143452. Its totient is φ = 85153143450.

The previous prime is 85153143401. The next prime is 85153143457. The reversal of 85153143451 is 15434135158.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85153143451 - 2²³ = 85144754843 is a prime.

It is not a weakly prime, because it can be changed into another prime (85153143457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42576571725 + 42576571726.

It is an arithmetic number, because the mean of its divisors is an integer number (42576571726).

Almost surely, 2^85153143451 is an apocalyptic number.

85153143451 is a deficient number, since it is larger than the sum of its proper divisors (1).

85153143451 is an equidigital number, since it uses as much as digits as its factorization.

85153143451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 40.

The spelling of 85153143451 in words is "eighty-five billion, one hundred fifty-three million, one hundred forty-three thousand, four hundred fifty-one".