11161401530 has 16 divisors (see below), whose sum is σ = 20093059584. Its totient is φ = 4463996880.

The previous prime is 11161401499. The next prime is 11161401547. The reversal of 11161401530 is 3510416111.

It is a happy number.

11161401530 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11161401530² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11161401496 and 11161401505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17975 + ... + 150485.

It is an arithmetic number, because the mean of its divisors is an integer number (1255816224).

Almost surely, 2^11161401530 is an apocalyptic number.

11161401530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11161401530 is a deficient number, since it is larger than the sum of its proper divisors (8931658054).

11161401530 is a wasteful number, since it uses less digits than its factorization.

11161401530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140941.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 11161401530 its reverse (3510416111), we get a palindrome (14671817641).

The spelling of 11161401530 in words is "eleven billion, one hundred sixty-one million, four hundred one thousand, five hundred thirty".