2542501205131 has 4 divisors (see below), whose sum is σ = 2542629511000. Its totient is φ = 2542372899264.

The previous prime is 2542501205099. The next prime is 2542501205141. The reversal of 2542501205131 is 1315021052452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2542501205131 - 2⁵ = 2542501205099 is a prime.

It is a super-2 number, since 2×2542501205131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542501205093 and 2542501205102.

It is not an unprimeable number, because it can be changed into a prime (2542501205141) 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, 64123206 + ... + 64162843.

It is an arithmetic number, because the mean of its divisors is an integer number (635657377750).

Almost surely, 2^{2542501205131} is an apocalyptic number.

2542501205131 is a deficient number, since it is larger than the sum of its proper divisors (128305869).

2542501205131 is a wasteful number, since it uses less digits than its factorization.

2542501205131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128305868.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 2542501205131 its reverse (1315021052452), we get a palindrome (3857522257583).

The spelling of 2542501205131 in words is "two trillion, five hundred forty-two billion, five hundred one million, two hundred five thousand, one hundred thirty-one".