1525148972056 has 384 divisors, whose sum is σ = 3332942121600. Its totient is φ = 651953111040.

The previous prime is 1525148972003. The next prime is 1525148972059. The reversal of 1525148972056 is 6502798415251.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1525148971988 and 1525148972006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525148972059) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17136505260 + ... + 17136505348.

It is an arithmetic number, because the mean of its divisors is an integer number (8679536775).

Almost surely, 2^{1525148972056} is an apocalyptic number.

It is an amenable number.

1525148972056 is an abundant number, since it is smaller than the sum of its proper divisors (1807793149544).

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

1525148972056 is a wasteful number, since it uses less digits than its factorization.

1525148972056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 1525148972056 in words is "one trillion, five hundred twenty-five billion, one hundred forty-eight million, nine hundred seventy-two thousand, fifty-six".