2545112333501 has 4 divisors (see below), whose sum is σ = 2545247450400. Its totient is φ = 2544977216604.

The previous prime is 2545112333459. The next prime is 2545112333539. The reversal of 2545112333501 is 1053332115452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2545112333501 - 2¹⁸ = 2545112071357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545112303501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67530191 + ... + 67567868.

It is an arithmetic number, because the mean of its divisors is an integer number (636311862600).

Almost surely, 2^{2545112333501} is an apocalyptic number.

It is an amenable number.

2545112333501 is a deficient number, since it is larger than the sum of its proper divisors (135116899).

2545112333501 is a wasteful number, since it uses less digits than its factorization.

2545112333501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135116898.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 2545112333501 its reverse (1053332115452), we get a palindrome (3598444448953).

The spelling of 2545112333501 in words is "two trillion, five hundred forty-five billion, one hundred twelve million, three hundred thirty-three thousand, five hundred one".