1011505325125 has 64 divisors (see below), whose sum is σ = 1364589158400. Its totient is φ = 746240040000.

The previous prime is 1011505325119. The next prime is 1011505325141. The reversal of 1011505325125 is 5215235051101.

It is not a de Polignac number, because 1011505325125 - 2¹⁷ = 1011505194053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13283410 + ... + 13359340.

It is an arithmetic number, because the mean of its divisors is an integer number (21321705600).

Almost surely, 2^{1011505325125} is an apocalyptic number.

It is an amenable number.

1011505325125 is a deficient number, since it is larger than the sum of its proper divisors (353083833275).

1011505325125 is an equidigital number, since it uses as much as digits as its factorization.

1011505325125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76115 (or 76105 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 1011505325125 in words is "one trillion, eleven billion, five hundred five million, three hundred twenty-five thousand, one hundred twenty-five".