11487624493949 has 16 divisors (see below), whose sum is σ = 12155466960000. Its totient is φ = 10826127290880.

The previous prime is 11487624493889. The next prime is 11487624493973. The reversal of 11487624493949 is 94939442678411.

It is a cyclic number.

It is not a de Polignac number, because 11487624493949 - 2¹² = 11487624489853 is a prime.

It is a super-2 number, since 2×11487624493949² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487624493999) 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, 18482069 + ... + 19093509.

It is an arithmetic number, because the mean of its divisors is an integer number (759716685000).

Almost surely, 2^{11487624493949} is an apocalyptic number.

11487624493949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11487624493949 is a deficient number, since it is larger than the sum of its proper divisors (667842466051).

11487624493949 is a wasteful number, since it uses less digits than its factorization.

11487624493949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616628.

The product of its digits is 376233984, while the sum is 71.

The spelling of 11487624493949 in words is "eleven trillion, four hundred eighty-seven billion, six hundred twenty-four million, four hundred ninety-three thousand, nine hundred forty-nine".