11771020070 has 32 divisors (see below), whose sum is σ = 21310594560. Its totient is φ = 4681193440.

The previous prime is 11771020069. The next prime is 11771020073. The reversal of 11771020070 is 7002017711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11771020073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628765 + ... + 1635975.

It is an arithmetic number, because the mean of its divisors is an integer number (665956080).

Almost surely, 2^11771020070 is an apocalyptic number.

11771020070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11771020070 is a deficient number, since it is larger than the sum of its proper divisors (9539574490).

11771020070 is a wasteful number, since it uses less digits than its factorization.

11771020070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140.

The product of its (nonzero) digits is 686, while the sum is 26.

Adding to 11771020070 its reverse (7002017711), we get a palindrome (18773037781).

The spelling of 11771020070 in words is "eleven billion, seven hundred seventy-one million, twenty thousand, seventy".