1497543949056 has 144 divisors (see below), whose sum is σ = 4041815035104. Its totient is φ = 492152389632.

The previous prime is 1497543949021. The next prime is 1497543949073. The reversal of 1497543949056 is 6509493457941.

It is a super-2 number, since 2×1497543949056² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273421390 + ... + 273426866.

It is an arithmetic number, because the mean of its divisors is an integer number (28068159966).

Almost surely, 2^{1497543949056} is an apocalyptic number.

1497543949056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497543949056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2020907517552).

1497543949056 is an abundant number, since it is smaller than the sum of its proper divisors (2544271086048).

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

1497543949056 is an equidigital number, since it uses as much as digits as its factorization.

1497543949056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10446 (or 10432 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 66.

The spelling of 1497543949056 in words is "one trillion, four hundred ninety-seven billion, five hundred forty-three million, nine hundred forty-nine thousand, fifty-six".