1525135142300 has 144 divisors (see below), whose sum is σ = 4368900872448. Its totient is φ = 447404006400.

The previous prime is 1525135142269. The next prime is 1525135142303. The reversal of 1525135142300 is 32415315251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525135142303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5694674 + ... + 5956473.

It is an arithmetic number, because the mean of its divisors is an integer number (30339589392).

Almost surely, 2^{1525135142300} is an apocalyptic number.

1525135142300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1525135142300 is an abundant number, since it is smaller than the sum of its proper divisors (2843765730148).

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

1525135142300 is a wasteful number, since it uses less digits than its factorization.

1525135142300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11651196 (or 11651189 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 1525135142300 in words is "one trillion, five hundred twenty-five billion, one hundred thirty-five million, one hundred forty-two thousand, three hundred".