2505154210042 has 12 divisors (see below), whose sum is σ = 4130398883898. Its totient is φ = 1138706459000.

The previous prime is 2505154210037. The next prime is 2505154210043. The reversal of 2505154210042 is 2400124515052.

It can be written as a sum of positive squares in only one way, i.e., 1390227288241 + 1114926921801 = 1179079^2 + 1055901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2505154209986 and 2505154210013.

It is not an unprimeable number, because it can be changed into a prime (2505154210043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5175938209 + ... + 5175938692.

Almost surely, 2^{2505154210042} is an apocalyptic number.

2505154210042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2505154210042 is a deficient number, since it is larger than the sum of its proper divisors (1625244673856).

2505154210042 is a wasteful number, since it uses less digits than its factorization.

2505154210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351876925 (or 10351876914 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 2505154210042 its reverse (2400124515052), we get a palindrome (4905278725094).

The spelling of 2505154210042 in words is "two trillion, five hundred five billion, one hundred fifty-four million, two hundred ten thousand, forty-two".