70215534145 has 16 divisors (see below), whose sum is σ = 86886858240. Its totient is φ = 54443490624.

The previous prime is 70215534121. The next prime is 70215534167. The reversal of 70215534145 is 54143551207.

It is a cyclic number.

It is not a de Polignac number, because 70215534145 - 2¹⁷ = 70215403073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426230 + ... + 1474639.

It is an arithmetic number, because the mean of its divisors is an integer number (5430428640).

Almost surely, 2^70215534145 is an apocalyptic number.

It is an amenable number.

70215534145 is a deficient number, since it is larger than the sum of its proper divisors (16671324095).

70215534145 is a wasteful number, since it uses less digits than its factorization.

70215534145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901024.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 70215534145 in words is "seventy billion, two hundred fifteen million, five hundred thirty-four thousand, one hundred forty-five".