11257117454 has 16 divisors (see below), whose sum is σ = 19390250880. Its totient is φ = 4847562360.

The previous prime is 11257117453. The next prime is 11257117457. The reversal of 11257117454 is 45471175211.

It is a happy number.

11257117454 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257117453) 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, 13465034 + ... + 13465869.

It is an arithmetic number, because the mean of its divisors is an integer number (1211890680).

Almost surely, 2^11257117454 is an apocalyptic number.

11257117454 is a deficient number, since it is larger than the sum of its proper divisors (8133133426).

11257117454 is a wasteful number, since it uses less digits than its factorization.

11257117454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26930935.

The product of its digits is 39200, while the sum is 38.

The spelling of 11257117454 in words is "eleven billion, two hundred fifty-seven million, one hundred seventeen thousand, four hundred fifty-four".