11551463674213 has 24 divisors (see below), whose sum is σ = 12916213428888. Its totient is φ = 10293664094208.

The previous prime is 11551463674211. The next prime is 11551463674243. The reversal of 11551463674213 is 31247636415511.

It can be written as a sum of positive squares in 4 ways, for example, as 626475416004 + 10924988258209 = 791502^2 + 3305297^2 .

It is not a de Polignac number, because 11551463674213 - 2¹ = 11551463674211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551463674211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9834045 + ... + 10945837.

It is an arithmetic number, because the mean of its divisors is an integer number (538175559537).

Almost surely, 2^{11551463674213} is an apocalyptic number.

It is an amenable number.

11551463674213 is a deficient number, since it is larger than the sum of its proper divisors (1364749754675).

11551463674213 is a wasteful number, since it uses less digits than its factorization.

11551463674213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113541 (or 1113522 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The spelling of 11551463674213 in words is "eleven trillion, five hundred fifty-one billion, four hundred sixty-three million, six hundred seventy-four thousand, two hundred thirteen".