2541555433425 has 24 divisors (see below), whose sum is σ = 4240589140480. Its totient is φ = 1343060481600.

The previous prime is 2541555433409. The next prime is 2541555433429. The reversal of 2541555433425 is 5243345551452.

It is not a de Polignac number, because 2541555433425 - 2⁴ = 2541555433409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2541555433429) 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, 155438641 + ... + 155454990.

Almost surely, 2^{2541555433425} is an apocalyptic number.

2541555433425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2541555433425 is a deficient number, since it is larger than the sum of its proper divisors (1699033707055).

2541555433425 is a wasteful number, since it uses less digits than its factorization.

2541555433425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310893753 (or 310893748 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 48.

The spelling of 2541555433425 in words is "two trillion, five hundred forty-one billion, five hundred fifty-five million, four hundred thirty-three thousand, four hundred twenty-five".