11402531525 has 72 divisors (see below), whose sum is σ = 18381323520. Its totient is φ = 6934368000.

The previous prime is 11402531519. The next prime is 11402531531. The reversal of 11402531525 is 52513520411.

11402531525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11402531519) and next prime (11402531531).

It is not a de Polignac number, because 11402531525 - 2¹⁶ = 11402465989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 542156 + ... + 562794.

It is an arithmetic number, because the mean of its divisors is an integer number (255296160).

Almost surely, 2^11402531525 is an apocalyptic number.

It is an amenable number.

11402531525 is a deficient number, since it is larger than the sum of its proper divisors (6978791995).

11402531525 is a wasteful number, since it uses less digits than its factorization.

11402531525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20715 (or 20703 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 11402531525 in words is "eleven billion, four hundred two million, five hundred thirty-one thousand, five hundred twenty-five".