11577012042 has 32 divisors (see below), whose sum is σ = 23370441408. Its totient is φ = 3822968576.

The previous prime is 11577011993. The next prime is 11577012071. The reversal of 11577012042 is 24021077511.

It is a super-2 number, since 2×11577012042² (a number of 21 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, 2311513 + ... + 2316515.

It is an arithmetic number, because the mean of its divisors is an integer number (730326294).

Almost surely, 2^11577012042 is an apocalyptic number.

11577012042 is an abundant number, since it is smaller than the sum of its proper divisors (11793429366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11577012042 is a wasteful number, since it uses less digits than its factorization.

11577012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534.

The product of its (nonzero) digits is 3920, while the sum is 30.

Adding to 11577012042 its reverse (24021077511), we get a palindrome (35598089553).

The spelling of 11577012042 in words is "eleven billion, five hundred seventy-seven million, twelve thousand, forty-two".