2497543111840 has 48 divisors (see below), whose sum is σ = 6743366404992. Its totient is φ = 856300495104.

The previous prime is 2497543111829. The next prime is 2497543111897. The reversal of 2497543111840 is 481113457942.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114973484 + ... + 1114975723.

It is an arithmetic number, because the mean of its divisors is an integer number (140486800104).

Almost surely, 2^{2497543111840} is an apocalyptic number.

2497543111840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2497543111840 is an abundant number, since it is smaller than the sum of its proper divisors (4245823293152).

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

2497543111840 is a wasteful number, since it uses less digits than its factorization.

2497543111840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229949229 (or 2229949221 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 2497543111840 in words is "two trillion, four hundred ninety-seven billion, five hundred forty-three million, one hundred eleven thousand, eight hundred forty".