11651616051 has 8 divisors (see below), whose sum is σ = 15538367184. Its totient is φ = 7766304480.

The previous prime is 11651616029. The next prime is 11651616059. The reversal of 11651616051 is 15061615611.

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

It is not a de Polignac number, because 11651616051 - 2¹³ = 11651607859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11651616059) 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, 340860 + ... + 373481.

It is an arithmetic number, because the mean of its divisors is an integer number (1942295898).

Almost surely, 2^11651616051 is an apocalyptic number.

11651616051 is a deficient number, since it is larger than the sum of its proper divisors (3886751133).

11651616051 is an equidigital number, since it uses as much as digits as its factorization.

11651616051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719781.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 11651616051 in words is "eleven billion, six hundred fifty-one million, six hundred sixteen thousand, fifty-one".