15545441452 has 12 divisors (see below), whose sum is σ = 27412191576. Its totient is φ = 7713386720.

The previous prime is 15545441449. The next prime is 15545441473. The reversal of 15545441452 is 25414454551.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14832913 + ... + 14833960.

It is an arithmetic number, because the mean of its divisors is an integer number (2284349298).

Almost surely, 2^15545441452 is an apocalyptic number.

It is an amenable number.

15545441452 is a deficient number, since it is larger than the sum of its proper divisors (11866750124).

15545441452 is a wasteful number, since it uses less digits than its factorization.

15545441452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29667008 (or 29667006 counting only the distinct ones).

The product of its digits is 320000, while the sum is 40.

The spelling of 15545441452 in words is "fifteen billion, five hundred forty-five million, four hundred forty-one thousand, four hundred fifty-two".