70948771813015 has 4 divisors (see below), whose sum is σ = 85138526175624. Its totient is φ = 56759017450408.

The previous prime is 70948771812991. The next prime is 70948771813067. The reversal of 70948771813015 is 51031817784907.

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 70948771813015 - 2¹⁵ = 70948771780247 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 7094877181297 + ... + 7094877181306.

It is an arithmetic number, because the mean of its divisors is an integer number (21284631543906).

Almost surely, 2^{70948771813015} is an apocalyptic number.

70948771813015 is a deficient number, since it is larger than the sum of its proper divisors (14189754362609).

70948771813015 is a wasteful number, since it uses less digits than its factorization.

70948771813015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14189754362608.

The product of its (nonzero) digits is 11854080, while the sum is 61.

The spelling of 70948771813015 in words is "seventy trillion, nine hundred forty-eight billion, seven hundred seventy-one million, eight hundred thirteen thousand, fifteen".