70051106966781 has 8 divisors (see below), whose sum is σ = 93409373312224. Its totient is φ = 46696789299600.

The previous prime is 70051106966759. The next prime is 70051106966807. The reversal of 70051106966781 is 18766960115007.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70051106966781 - 2¹³ = 70051106958589 is a prime.

It is a super-2 number, since 2×70051106966781² (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 (70051106966381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987128170 + ... + 987199131.

It is an arithmetic number, because the mean of its divisors is an integer number (11676171664028).

Almost surely, 2^{70051106966781} is an apocalyptic number.

It is an amenable number.

70051106966781 is a deficient number, since it is larger than the sum of its proper divisors (23358266345443).

70051106966781 is a wasteful number, since it uses less digits than its factorization.

70051106966781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974339131.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 70051106966781 in words is "seventy trillion, fifty-one billion, one hundred six million, nine hundred sixty-six thousand, seven hundred eighty-one".