11657210070 has 64 divisors (see below), whose sum is σ = 30976286976. Its totient is φ = 2783806080.

The previous prime is 11657210053. The next prime is 11657210099. The reversal of 11657210070 is 7001275611.

It is a super-2 number, since 2×11657210070² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241509 + ... + 285728.

It is an arithmetic number, because the mean of its divisors is an integer number (484004484).

Almost surely, 2^11657210070 is an apocalyptic number.

11657210070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11657210070 is an abundant number, since it is smaller than the sum of its proper divisors (19319076906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11657210070 is a wasteful number, since it uses less digits than its factorization.

11657210070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527325.

The product of its (nonzero) digits is 2940, while the sum is 30.

Adding to 11657210070 its reverse (7001275611), we get a palindrome (18658485681).

The spelling of 11657210070 in words is "eleven billion, six hundred fifty-seven million, two hundred ten thousand, seventy".