11420065154 has 4 divisors (see below), whose sum is σ = 17130097734. Its totient is φ = 5710032576.

The previous prime is 11420065141. The next prime is 11420065199. The reversal of 11420065154 is 45156002411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10025416129 + 1394649025 = 100127^2 + 37345^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2855016287 + ... + 2855016290.

Almost surely, 2^11420065154 is an apocalyptic number.

11420065154 is a deficient number, since it is larger than the sum of its proper divisors (5710032580).

11420065154 is an equidigital number, since it uses as much as digits as its factorization.

11420065154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710032579.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 11420065154 its reverse (45156002411), we get a palindrome (56576067565).

The spelling of 11420065154 in words is "eleven billion, four hundred twenty million, sixty-five thousand, one hundred fifty-four".