1513033420125 has 32 divisors (see below), whose sum is σ = 2534361133824. Its totient is φ = 801607080000.

The previous prime is 1513033420121. The next prime is 1513033420139. The reversal of 1513033420125 is 5210243303151.

It is not a de Polignac number, because 1513033420125 - 2² = 1513033420121 is a prime.

It is a super-4 number, since 4×1513033420125⁴ (a number of 50 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1513033420092 and 1513033420101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513033420121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13303494 + ... + 13416743.

It is an arithmetic number, because the mean of its divisors is an integer number (79198785432).

Almost surely, 2^{1513033420125} is an apocalyptic number.

1513033420125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1513033420125 is a deficient number, since it is larger than the sum of its proper divisors (1021327713699).

1513033420125 is a wasteful number, since it uses less digits than its factorization.

1513033420125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26720406 (or 26720396 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1513033420125 its reverse (5210243303151), we get a palindrome (6723276723276).

The spelling of 1513033420125 in words is "one trillion, five hundred thirteen billion, thirty-three million, four hundred twenty thousand, one hundred twenty-five".