1531053520025 has 48 divisors (see below), whose sum is σ = 1933603170048. Its totient is φ = 1202336520000.

The previous prime is 1531053519977. The next prime is 1531053520057. The reversal of 1531053520025 is 5200253501351.

It is a de Polignac number, because none of the positive numbers 2^k-1531053520025 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1531053519973 and 1531053520000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1055170550 + ... + 1055172000.

It is an arithmetic number, because the mean of its divisors is an integer number (40283399376).

Almost surely, 2^{1531053520025} is an apocalyptic number.

It is an amenable number.

1531053520025 is a deficient number, since it is larger than the sum of its proper divisors (402549650023).

1531053520025 is a wasteful number, since it uses less digits than its factorization.

1531053520025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302 (or 3297 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 1531053520025 in words is "one trillion, five hundred thirty-one billion, fifty-three million, five hundred twenty thousand, twenty-five".