11012261234451 has 4 divisors (see below), whose sum is σ = 14683014979272. Its totient is φ = 7341507489632.

The previous prime is 11012261234419. The next prime is 11012261234467. The reversal of 11012261234451 is 15443216221011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11012261234451 - 2⁵ = 11012261234419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012261233451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835376872406 + ... + 1835376872411.

It is an arithmetic number, because the mean of its divisors is an integer number (3670753744818).

Almost surely, 2^{11012261234451} is an apocalyptic number.

11012261234451 is a deficient number, since it is larger than the sum of its proper divisors (3670753744821).

11012261234451 is an equidigital number, since it uses as much as digits as its factorization.

11012261234451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670753744820.

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 11012261234451 its reverse (15443216221011), we get a palindrome (26455477455462).

The spelling of 11012261234451 in words is "eleven trillion, twelve billion, two hundred sixty-one million, two hundred thirty-four thousand, four hundred fifty-one".