70115231742805 has 16 divisors (see below), whose sum is σ = 84883394818224. Its totient is φ = 55595447111680.

The previous prime is 70115231742781. The next prime is 70115231742869. The reversal of 70115231742805 is 50824713251107.

It can be written as a sum of positive squares in 8 ways, for example, as 17789018596209 + 52326213146596 = 4217703^2 + 7233686^2 .

It is not a de Polignac number, because 70115231742805 - 2³¹ = 70113084259157 is a prime.

It is a super-2 number, since 2×70115231742805² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 127402425 + ... + 127951585.

It is an arithmetic number, because the mean of its divisors is an integer number (5305212176139).

Almost surely, 2^{70115231742805} is an apocalyptic number.

It is an amenable number.

70115231742805 is a deficient number, since it is larger than the sum of its proper divisors (14768163075419).

70115231742805 is a wasteful number, since it uses less digits than its factorization.

70115231742805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775256.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 70115231742805 in words is "seventy trillion, one hundred fifteen billion, two hundred thirty-one million, seven hundred forty-two thousand, eight hundred five".