1295144911540 has 24 divisors (see below), whose sum is σ = 2862951910560. Its totient is φ = 490791755808.

The previous prime is 1295144911493. The next prime is 1295144911547. The reversal of 1295144911540 is 451194415921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295144911547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704137662 + ... + 1704138421.

It is an arithmetic number, because the mean of its divisors is an integer number (119289662940).

Almost surely, 2^{1295144911540} is an apocalyptic number.

1295144911540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1295144911540 is an abundant number, since it is smaller than the sum of its proper divisors (1567806999020).

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

1295144911540 is a wasteful number, since it uses less digits than its factorization.

1295144911540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408276111 (or 3408276109 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 1295144911540 in words is "one trillion, two hundred ninety-five billion, one hundred forty-four million, nine hundred eleven thousand, five hundred forty".