2311545252144 has 20 divisors (see below), whose sum is σ = 5971491901496. Its totient is φ = 770515084032.

The previous prime is 2311545252127. The next prime is 2311545252173. The reversal of 2311545252144 is 4412525451132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24078596329 + ... + 24078596424.

Almost surely, 2^{2311545252144} is an apocalyptic number.

2311545252144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2311545252144 is an abundant number, since it is smaller than the sum of its proper divisors (3659946649352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311545252144 is a wasteful number, since it uses less digits than its factorization.

2311545252144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48157192764 (or 48157192758 counting only the distinct ones).

The product of its digits is 192000, while the sum is 39.

The spelling of 2311545252144 in words is "two trillion, three hundred eleven billion, five hundred forty-five million, two hundred fifty-two thousand, one hundred forty-four".