11540315402 has 32 divisors (see below), whose sum is σ = 21586881024. Its totient is φ = 4495186800.

The previous prime is 11540315401. The next prime is 11540315417. The reversal of 11540315402 is 20451304511.

It is not an unprimeable number, because it can be changed into a prime (11540315401) 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, 1264877 + ... + 1273967.

It is an arithmetic number, because the mean of its divisors is an integer number (674590032).

Almost surely, 2^11540315402 is an apocalyptic number.

11540315402 is a deficient number, since it is larger than the sum of its proper divisors (10046565622).

11540315402 is a wasteful number, since it uses less digits than its factorization.

11540315402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17354.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11540315402 its reverse (20451304511), we get a palindrome (31991619913).

The spelling of 11540315402 in words is "eleven billion, five hundred forty million, three hundred fifteen thousand, four hundred two".