11210542530 has 32 divisors (see below), whose sum is σ = 29351239488. Its totient is φ = 2717707200.

The previous prime is 11210542517. The next prime is 11210542537. The reversal of 11210542530 is 3524501211.

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 11210542530.

It is not an unprimeable number, because it can be changed into a prime (11210542537) 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, 16985341 + ... + 16986000.

It is an arithmetic number, because the mean of its divisors is an integer number (917226234).

Almost surely, 2^11210542530 is an apocalyptic number.

11210542530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11210542530 is an abundant number, since it is smaller than the sum of its proper divisors (18140696958).

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

11210542530 is a wasteful number, since it uses less digits than its factorization.

11210542530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33971362.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 11210542530 in words is "eleven billion, two hundred ten million, five hundred forty-two thousand, five hundred thirty".