11492451481 has 8 divisors (see below), whose sum is σ = 13161203840. Its totient is φ = 9830442528.

The previous prime is 11492451463. The next prime is 11492451521. The reversal of 11492451481 is 18415429411.

It is a happy number.

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 11492451481 - 2⁹ = 11492450969 is a prime.

It is a super-2 number, since 2×11492451481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11492451461) 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, 1682196 + ... + 1689013.

It is an arithmetic number, because the mean of its divisors is an integer number (1645150480).

Almost surely, 2^11492451481 is an apocalyptic number.

It is an amenable number.

11492451481 is a deficient number, since it is larger than the sum of its proper divisors (1668752359).

11492451481 is an equidigital number, since it uses as much as digits as its factorization.

11492451481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371703.

The product of its digits is 46080, while the sum is 40.

The spelling of 11492451481 in words is "eleven billion, four hundred ninety-two million, four hundred fifty-one thousand, four hundred eighty-one".