11515162023442 has 32 divisors (see below), whose sum is σ = 21535019956224. Its totient is φ = 4486391034000.

The previous prime is 11515162023419. The next prime is 11515162023461. The reversal of 11515162023442 is 24432026151511.

It is a super-2 number, since 2×11515162023442² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27504693 + ... + 27920215.

It is an arithmetic number, because the mean of its divisors is an integer number (672969373632).

Almost surely, 2^{11515162023442} is an apocalyptic number.

11515162023442 is a deficient number, since it is larger than the sum of its proper divisors (10019857932782).

11515162023442 is a wasteful number, since it uses less digits than its factorization.

11515162023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595494.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 11515162023442 its reverse (24432026151511), we get a palindrome (35947188174953).

The spelling of 11515162023442 in words is "eleven trillion, five hundred fifteen billion, one hundred sixty-two million, twenty-three thousand, four hundred forty-two".