11154463031 has 4 divisors (see below), whose sum is σ = 11413869192. Its totient is φ = 10895056872.

The previous prime is 11154463027. The next prime is 11154463037. The reversal of 11154463031 is 13036445111.

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 11154463031 - 2² = 11154463027 is a prime.

It is a super-2 number, since 2×11154463031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11154462985 and 11154463003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11154463037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129703016 + ... + 129703101.

It is an arithmetic number, because the mean of its divisors is an integer number (2853467298).

Almost surely, 2^11154463031 is an apocalyptic number.

11154463031 is a deficient number, since it is larger than the sum of its proper divisors (259406161).

11154463031 is an equidigital number, since it uses as much as digits as its factorization.

11154463031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259406160.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 11154463031 in words is "eleven billion, one hundred fifty-four million, four hundred sixty-three thousand, thirty-one".