2491053448611 has 32 divisors (see below), whose sum is σ = 4088600183808. Its totient is φ = 1313731601280.

The previous prime is 2491053448531. The next prime is 2491053448613. The reversal of 2491053448611 is 1168443501942.

It is not a de Polignac number, because 2491053448611 - 2³⁴ = 2473873579427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2491053448613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 762706 + ... + 2358776.

It is an arithmetic number, because the mean of its divisors is an integer number (127768755744).

Almost surely, 2^{2491053448611} is an apocalyptic number.

2491053448611 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2491053448611 is a deficient number, since it is larger than the sum of its proper divisors (1597546735197).

2491053448611 is a wasteful number, since it uses less digits than its factorization.

2491053448611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601811.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 2491053448611 in words is "two trillion, four hundred ninety-one billion, fifty-three million, four hundred forty-eight thousand, six hundred eleven".