11621076551 has 8 divisors (see below), whose sum is σ = 13293662880. Its totient is φ = 9951598368.

The previous prime is 11621076503. The next prime is 11621076581. The reversal of 11621076551 is 15567012611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11621076551 - 2¹⁰ = 11621075527 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 (11621076581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769016 + ... + 783981.

It is an arithmetic number, because the mean of its divisors is an integer number (1661707860).

Almost surely, 2^11621076551 is an apocalyptic number.

11621076551 is a deficient number, since it is larger than the sum of its proper divisors (1672586329).

11621076551 is a wasteful number, since it uses less digits than its factorization.

11621076551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554073.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 11621076551 in words is "eleven billion, six hundred twenty-one million, seventy-six thousand, five hundred fifty-one".