11780470115 has 16 divisors (see below), whose sum is σ = 14839925760. Its totient is φ = 8965774560.

The previous prime is 11780470111. The next prime is 11780470139. The reversal of 11780470115 is 51107408711.

It is not a de Polignac number, because 11780470115 - 2² = 11780470111 is a prime.

It is a super-2 number, since 2×11780470115² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11780470111) 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, 634949 + ... + 653238.

It is an arithmetic number, because the mean of its divisors is an integer number (927495360).

Almost surely, 2^11780470115 is an apocalyptic number.

11780470115 is a deficient number, since it is larger than the sum of its proper divisors (3059455645).

11780470115 is a wasteful number, since it uses less digits than its factorization.

11780470115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288282.

The product of its (nonzero) digits is 7840, while the sum is 35.

Adding to 11780470115 its reverse (51107408711), we get a palindrome (62887878826).

The spelling of 11780470115 in words is "eleven billion, seven hundred eighty million, four hundred seventy thousand, one hundred fifteen".