1206505025025 has 48 divisors (see below), whose sum is σ = 2223256363200. Its totient is φ = 573743554560.

The previous prime is 1206505025021. The next prime is 1206505025057. The reversal of 1206505025025 is 5205205056021.

It is not a de Polignac number, because 1206505025025 - 2² = 1206505025021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1206505025021) 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, 24877840 + ... + 24926289.

It is an arithmetic number, because the mean of its divisors is an integer number (46317840900).

Almost surely, 2^{1206505025025} is an apocalyptic number.

1206505025025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1206505025025 is a deficient number, since it is larger than the sum of its proper divisors (1016751338175).

1206505025025 is a wasteful number, since it uses less digits than its factorization.

1206505025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49804178 (or 49804173 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 1206505025025 in words is "one trillion, two hundred six billion, five hundred five million, twenty-five thousand, twenty-five".