70116717015511 has 4 divisors (see below), whose sum is σ = 70116771664224. Its totient is φ = 70116662366800.

The previous prime is 70116717015493. The next prime is 70116717015547. The reversal of 70116717015511 is 11551071761107.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70116717015511 - 2²³ = 70116708626903 is a prime.

It is a super-2 number, since 2×70116717015511² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70116717015551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25352350 + ... + 27981691.

It is an arithmetic number, because the mean of its divisors is an integer number (17529192916056).

Almost surely, 2^{70116717015511} is an apocalyptic number.

70116717015511 is a deficient number, since it is larger than the sum of its proper divisors (54648713).

70116717015511 is a wasteful number, since it uses less digits than its factorization.

70116717015511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54648712.

The product of its (nonzero) digits is 51450, while the sum is 43.

Adding to 70116717015511 its reverse (11551071761107), we get a palindrome (81667788776618).

The spelling of 70116717015511 in words is "seventy trillion, one hundred sixteen billion, seven hundred seventeen million, fifteen thousand, five hundred eleven".