1357542320500 has 48 divisors (see below), whose sum is σ = 2998185699600. Its totient is φ = 536915596800.

The previous prime is 1357542320419. The next prime is 1357542320501. The reversal of 1357542320500 is 50232457531.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1062243545104 + 295298775396 = 1030652^2 + 543414^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1357542320500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357542320501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15208785 + ... + 15297784.

It is an arithmetic number, because the mean of its divisors is an integer number (62462202075).

Almost surely, 2^{1357542320500} is an apocalyptic number.

1357542320500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1357542320500 is an abundant number, since it is smaller than the sum of its proper divisors (1640643379100).

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

1357542320500 is a wasteful number, since it uses less digits than its factorization.

1357542320500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30506677 (or 30506665 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 1357542320500 in words is "one trillion, three hundred fifty-seven billion, five hundred forty-two million, three hundred twenty thousand, five hundred".