11542222315 has 32 divisors (see below), whose sum is σ = 15745262400. Its totient is φ = 8074570752.

The previous prime is 11542222313. The next prime is 11542222337. The reversal of 11542222315 is 51322224511.

It is a happy number.

It is not a de Polignac number, because 11542222315 - 2¹ = 11542222313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11542222313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432891 + ... + 458779.

It is an arithmetic number, because the mean of its divisors is an integer number (492039450).

Almost surely, 2^11542222315 is an apocalyptic number.

11542222315 is a deficient number, since it is larger than the sum of its proper divisors (4203040085).

11542222315 is an equidigital number, since it uses as much as digits as its factorization.

11542222315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25964 (or 25926 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

Adding to 11542222315 its reverse (51322224511), we get a palindrome (62864446826).

The spelling of 11542222315 in words is "eleven billion, five hundred forty-two million, two hundred twenty-two thousand, three hundred fifteen".