11498725971 has 12 divisors (see below), whose sum is σ = 17014375560. Its totient is φ = 7478845920.

The previous prime is 11498725969. The next prime is 11498726081. The reversal of 11498725971 is 17952789411.

11498725971 is a `hidden beast` number, since 1 + 1 + 49 + 8 + 7 + 2 + 597 + 1 = 666.

It is not a de Polignac number, because 11498725971 - 2¹ = 11498725969 is a prime.

It is a super-2 number, since 2×11498725971² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11498725951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15580561 + ... + 15581298.

It is an arithmetic number, because the mean of its divisors is an integer number (1417864630).

Almost surely, 2^11498725971 is an apocalyptic number.

11498725971 is a deficient number, since it is larger than the sum of its proper divisors (5515649589).

11498725971 is a wasteful number, since it uses less digits than its factorization.

11498725971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31161906 (or 31161903 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 54.

The spelling of 11498725971 in words is "eleven billion, four hundred ninety-eight million, seven hundred twenty-five thousand, nine hundred seventy-one".