11345216877 has 24 divisors (see below), whose sum is σ = 17340905088. Its totient is φ = 7132725600.

The previous prime is 11345216873. The next prime is 11345216881. The reversal of 11345216877 is 77861254311.

11345216877 is a `hidden beast` number, since 11 + 34 + 521 + 6 + 87 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (11345216873) and next prime (11345216881).

It is not a de Polignac number, because 11345216877 - 2² = 11345216873 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345216873) 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, 371274 + ... + 400667.

It is an arithmetic number, because the mean of its divisors is an integer number (722537712).

Almost surely, 2^11345216877 is an apocalyptic number.

It is an amenable number.

11345216877 is a deficient number, since it is larger than the sum of its proper divisors (5995688211).

11345216877 is a wasteful number, since it uses less digits than its factorization.

11345216877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772041 (or 772038 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The spelling of 11345216877 in words is "eleven billion, three hundred forty-five million, two hundred sixteen thousand, eight hundred seventy-seven".