1241153551340 has 48 divisors (see below), whose sum is σ = 2617152908160. Its totient is φ = 494421580800.

The previous prime is 1241153551303. The next prime is 1241153551441. The reversal of 1241153551340 is 431553511421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241153551340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4789949 + ... + 5042411.

It is an arithmetic number, because the mean of its divisors is an integer number (54524018920).

Almost surely, 2^{1241153551340} is an apocalyptic number.

1241153551340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241153551340 is an abundant number, since it is smaller than the sum of its proper divisors (1375999356820).

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

1241153551340 is a wasteful number, since it uses less digits than its factorization.

1241153551340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253482 (or 253480 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 1241153551340 in words is "one trillion, two hundred forty-one billion, one hundred fifty-three million, five hundred fifty-one thousand, three hundred forty".