12251445541 has 16 divisors (see below), whose sum is σ = 12593432448. Its totient is φ = 11915064000.

The previous prime is 12251445527. The next prime is 12251445593. The reversal of 12251445541 is 14554415221.

It is a cyclic number.

It is not a de Polignac number, because 12251445541 - 2¹³ = 12251437349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12251445497 and 12251445506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251445341) 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, 2026375 + ... + 2032411.

It is an arithmetic number, because the mean of its divisors is an integer number (787089528).

Almost surely, 2^12251445541 is an apocalyptic number.

It is an amenable number.

12251445541 is a deficient number, since it is larger than the sum of its proper divisors (341986907).

12251445541 is a wasteful number, since it uses less digits than its factorization.

12251445541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492.

The product of its digits is 32000, while the sum is 34.

The spelling of 12251445541 in words is "twelve billion, two hundred fifty-one million, four hundred forty-five thousand, five hundred forty-one".