11611051530 has 32 divisors (see below), whose sum is σ = 30010103424. Its totient is φ = 2858104896.

The previous prime is 11611051483. The next prime is 11611051541. The reversal of 11611051530 is 3515011611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11611051530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14885574 + ... + 14886353.

It is an arithmetic number, because the mean of its divisors is an integer number (937815732).

Almost surely, 2^11611051530 is an apocalyptic number.

11611051530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11611051530 is an abundant number, since it is smaller than the sum of its proper divisors (18399051894).

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

11611051530 is a wasteful number, since it uses less digits than its factorization.

11611051530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29771950.

The product of its (nonzero) digits is 450, while the sum is 24.

The spelling of 11611051530 in words is "eleven billion, six hundred eleven million, fifty-one thousand, five hundred thirty".