11452988493 has 16 divisors (see below), whose sum is σ = 17012174400. Its totient is φ = 7615172880.

The previous prime is 11452988461. The next prime is 11452988497. The reversal of 11452988493 is 39488925411.

It is a happy number.

11452988493 is a `hidden beast` number, since 1 + 14 + 52 + 98 + 8 + 493 = 666.

It is not a de Polignac number, because 11452988493 - 2⁵ = 11452988461 is a prime.

It is a super-2 number, since 2×11452988493² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452988497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549378 + ... + 569843.

It is an arithmetic number, because the mean of its divisors is an integer number (1063260900).

Almost surely, 2^11452988493 is an apocalyptic number.

It is an amenable number.

11452988493 is a deficient number, since it is larger than the sum of its proper divisors (5559185907).

11452988493 is a wasteful number, since it uses less digits than its factorization.

11452988493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119609 (or 1119603 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 11452988493 in words is "eleven billion, four hundred fifty-two million, nine hundred eighty-eight thousand, four hundred ninety-three".