11231251051 has 8 divisors (see below), whose sum is σ = 11993328000. Its totient is φ = 10494160320.

The previous prime is 11231251043. The next prime is 11231251061. The reversal of 11231251051 is 15015213211.

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

It is a cyclic number.

It is not a de Polignac number, because 11231251051 - 2³ = 11231251043 is a prime.

It is a super-3 number, since 3×11231251051³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231251061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6245626 + ... + 6247423.

It is an arithmetic number, because the mean of its divisors is an integer number (1499166000).

Almost surely, 2^11231251051 is an apocalyptic number.

11231251051 is a deficient number, since it is larger than the sum of its proper divisors (762076949).

11231251051 is a wasteful number, since it uses less digits than its factorization.

11231251051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12493109.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 11231251051 its reverse (15015213211), we get a palindrome (26246464262).

The spelling of 11231251051 in words is "eleven billion, two hundred thirty-one million, two hundred fifty-one thousand, fifty-one".