11405251452 has 24 divisors (see below), whose sum is σ = 30414004096. Its totient is φ = 3258643248.

The previous prime is 11405251423. The next prime is 11405251453. The reversal of 11405251452 is 25415250411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405251453) 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, 67888318 + ... + 67888485.

Almost surely, 2^11405251452 is an apocalyptic number.

11405251452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11405251452 is an abundant number, since it is smaller than the sum of its proper divisors (19008752644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11405251452 is a wasteful number, since it uses less digits than its factorization.

11405251452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135776817 (or 135776815 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 11405251452 in words is "eleven billion, four hundred five million, two hundred fifty-one thousand, four hundred fifty-two".