11461515412 has 6 divisors (see below), whose sum is σ = 20057651978. Its totient is φ = 5730757704.

The previous prime is 11461515397. The next prime is 11461515433. The reversal of 11461515412 is 21451516411.

It can be written as a sum of positive squares in only one way, i.e., 7421133316 + 4040382096 = 86146^2 + 63564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432689423 + ... + 1432689430.

Almost surely, 2^11461515412 is an apocalyptic number.

It is an amenable number.

11461515412 is a deficient number, since it is larger than the sum of its proper divisors (8596136566).

11461515412 is a wasteful number, since it uses less digits than its factorization.

11461515412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865378857 (or 2865378855 counting only the distinct ones).

The product of its digits is 4800, while the sum is 31.

Subtracting 11461515412 from its reverse (21451516411), we obtain a palindrome (9990000999).

The spelling of 11461515412 in words is "eleven billion, four hundred sixty-one million, five hundred fifteen thousand, four hundred twelve".