11457537240 has 32 divisors (see below), whose sum is σ = 34372612080. Its totient is φ = 3055343232.

The previous prime is 11457537233. The next prime is 11457537241. The reversal of 11457537240 is 4273575411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457537241) 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, 47739619 + ... + 47739858.

Almost surely, 2^11457537240 is an apocalyptic number.

11457537240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11457537240 is an abundant number, since it is smaller than the sum of its proper divisors (22915074840).

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

11457537240 is a wasteful number, since it uses less digits than its factorization.

11457537240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95479491 (or 95479487 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 11457537240 in words is "eleven billion, four hundred fifty-seven million, five hundred thirty-seven thousand, two hundred forty".