2531155054115 has 4 divisors (see below), whose sum is σ = 3037386064944. Its totient is φ = 2024924043288.

The previous prime is 2531155054111. The next prime is 2531155054117. The reversal of 2531155054115 is 5114505511352.

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 2531155054115 - 2² = 2531155054111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531155054111) 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, 253115505407 + ... + 253115505416.

It is an arithmetic number, because the mean of its divisors is an integer number (759346516236).

Almost surely, 2^{2531155054115} is an apocalyptic number.

2531155054115 is a deficient number, since it is larger than the sum of its proper divisors (506231010829).

2531155054115 is an equidigital number, since it uses as much as digits as its factorization.

2531155054115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506231010828.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 2531155054115 in words is "two trillion, five hundred thirty-one billion, one hundred fifty-five million, fifty-four thousand, one hundred fifteen".