1525530653131 has 16 divisors (see below), whose sum is σ = 1627998441120. Its totient is φ = 1429467429120.

The previous prime is 1525530653089. The next prime is 1525530653167. The reversal of 1525530653131 is 1313560355251.

It is not a de Polignac number, because 1525530653131 - 2¹¹ = 1525530651083 is a prime.

It is a super-2 number, since 2×1525530653131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1525530651131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431311 + ... + 1799191.

It is an arithmetic number, because the mean of its divisors is an integer number (101749902570).

Almost surely, 2^{1525530653131} is an apocalyptic number.

1525530653131 is a deficient number, since it is larger than the sum of its proper divisors (102467787989).

1525530653131 is an equidigital number, since it uses as much as digits as its factorization.

1525530653131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368159 (or 1368125 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 1525530653131 in words is "one trillion, five hundred twenty-five billion, five hundred thirty million, six hundred fifty-three thousand, one hundred thirty-one".