11525520106451 has 8 divisors (see below), whose sum is σ = 12412130992464. Its totient is φ = 10638913851360.

The previous prime is 11525520106379. The next prime is 11525520106469. The reversal of 11525520106451 is 15460102552511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11525520106451 - 2²² = 11525515912147 is a prime.

It is a super-2 number, since 2×11525520106451² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11525520108451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5377856 + ... + 7209186.

It is an arithmetic number, because the mean of its divisors is an integer number (1551516374058).

Almost surely, 2^{11525520106451} is an apocalyptic number.

11525520106451 is a deficient number, since it is larger than the sum of its proper divisors (886610886013).

11525520106451 is a wasteful number, since it uses less digits than its factorization.

11525520106451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315461.

The product of its (nonzero) digits is 60000, while the sum is 38.

Adding to 11525520106451 its reverse (15460102552511), we get a palindrome (26985622658962).

The spelling of 11525520106451 in words is "eleven trillion, five hundred twenty-five billion, five hundred twenty million, one hundred six thousand, four hundred fifty-one".