11625245437561 has 24 divisors (see below), whose sum is σ = 14111490237120. Its totient is φ = 9531069099552.

The previous prime is 11625245437523. The next prime is 11625245437583. The reversal of 11625245437561 is 16573454252611.

It is not a de Polignac number, because 11625245437561 - 2⁷ = 11625245437433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11625245437499 and 11625245437508.

It is not an unprimeable number, because it can be changed into a prime (11625245435561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107719950 + ... + 107827816.

It is an arithmetic number, because the mean of its divisors is an integer number (587978759880).

Almost surely, 2^{11625245437561} is an apocalyptic number.

It is an amenable number.

11625245437561 is a deficient number, since it is larger than the sum of its proper divisors (2486244799559).

11625245437561 is a wasteful number, since it uses less digits than its factorization.

11625245437561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203533 (or 203526 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 52.

The spelling of 11625245437561 in words is "eleven trillion, six hundred twenty-five billion, two hundred forty-five million, four hundred thirty-seven thousand, five hundred sixty-one".