1345425521500 has 48 divisors (see below), whose sum is σ = 3039733831680. Its totient is φ = 519612609600.

The previous prime is 1345425521411. The next prime is 1345425521509. The reversal of 1345425521500 is 51255245431.

It is a self number, because there is not a number n which added to its sum of digits gives 1345425521500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345425521509) 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, 46379484 + ... + 46408483.

It is an arithmetic number, because the mean of its divisors is an integer number (63327788160).

Almost surely, 2^{1345425521500} is an apocalyptic number.

1345425521500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345425521500 is an abundant number, since it is smaller than the sum of its proper divisors (1694308310180).

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

1345425521500 is a wasteful number, since it uses less digits than its factorization.

1345425521500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92788015 (or 92788003 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1345425521500 in words is "one trillion, three hundred forty-five billion, four hundred twenty-five million, five hundred twenty-one thousand, five hundred".