1151403253240 has 32 divisors (see below), whose sum is σ = 2590741979280. Its totient is φ = 460546250752.

The previous prime is 1151403253229. The next prime is 1151403253277. The reversal of 1151403253240 is 423523041511.

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, 812184 + ... + 1721176.

Almost surely, 2^{1151403253240} is an apocalyptic number.

1151403253240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151403253240 is an abundant number, since it is smaller than the sum of its proper divisors (1439338726040).

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

1151403253240 is a wasteful number, since it uses less digits than its factorization.

1151403253240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940671 (or 940667 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1151403253240 its reverse (423523041511), we get a palindrome (1574926294751).

The spelling of 1151403253240 in words is "one trillion, one hundred fifty-one billion, four hundred three million, two hundred fifty-three thousand, two hundred forty".