1240325501255 has 8 divisors (see below), whose sum is σ = 1499098448400. Its totient is φ = 985121836416.

The previous prime is 1240325501249. The next prime is 1240325501267. The reversal of 1240325501255 is 5521055230421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240325501255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892319810 + ... + 892321199.

It is an arithmetic number, because the mean of its divisors is an integer number (187387306050).

Almost surely, 2^{1240325501255} is an apocalyptic number.

1240325501255 is a deficient number, since it is larger than the sum of its proper divisors (258772947145).

1240325501255 is a wasteful number, since it uses less digits than its factorization.

1240325501255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784641153.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 1240325501255 in words is "one trillion, two hundred forty billion, three hundred twenty-five million, five hundred one thousand, two hundred fifty-five".