11012520253506 has 8 divisors (see below), whose sum is σ = 22025040507024. Its totient is φ = 3670840084500.

The previous prime is 11012520253481. The next prime is 11012520253549. The reversal of 11012520253506 is 60535202521011.

It is a sphenic number, since it is the product of 3 distinct primes.

11012520253506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917710021120 + ... + 917710021131.

It is an arithmetic number, because the mean of its divisors is an integer number (2753130063378).

Almost surely, 2^{11012520253506} is an apocalyptic number.

11012520253506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11012520253506 is a wasteful number, since it uses less digits than its factorization.

11012520253506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835420042256.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 11012520253506 its reverse (60535202521011), we get a palindrome (71547722774517).

The spelling of 11012520253506 in words is "eleven trillion, twelve billion, five hundred twenty million, two hundred fifty-three thousand, five hundred six".