1540262252775 has 96 divisors (see below), whose sum is σ = 2662296387840. Its totient is φ = 784760094720.

The previous prime is 1540262252747. The next prime is 1540262252791. The reversal of 1540262252775 is 5772522620451.

It is not a de Polignac number, because 1540262252775 - 2¹⁶ = 1540262187239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 211077927 + ... + 211085223.

It is an arithmetic number, because the mean of its divisors is an integer number (27732254040).

Almost surely, 2^{1540262252775} is an apocalyptic number.

1540262252775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1540262252775 is a deficient number, since it is larger than the sum of its proper divisors (1122034135065).

1540262252775 is a wasteful number, since it uses less digits than its factorization.

1540262252775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353 (or 8348 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 1540262252775 in words is "one trillion, five hundred forty billion, two hundred sixty-two million, two hundred fifty-two thousand, seven hundred seventy-five".