11151512401 has 4 divisors (see below), whose sum is σ = 11209292452. Its totient is φ = 11093732352.

The previous prime is 11151512381. The next prime is 11151512431. The reversal of 11151512401 is 10421515111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10421515111 = 7 ⋅1488787873.

It can be written as a sum of positive squares in 2 ways, for example, as 5535508801 + 5616003600 = 74401^2 + 74940^2 .

It is a cyclic number.

It is not a de Polignac number, because 11151512401 - 2⁵ = 11151512369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11151512431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28889736 + ... + 28890121.

It is an arithmetic number, because the mean of its divisors is an integer number (2802323113).

Almost surely, 2^11151512401 is an apocalyptic number.

It is an amenable number.

11151512401 is a deficient number, since it is larger than the sum of its proper divisors (57780051).

11151512401 is an equidigital number, since it uses as much as digits as its factorization.

11151512401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57780050.

The product of its (nonzero) digits is 200, while the sum is 22.

The spelling of 11151512401 in words is "eleven billion, one hundred fifty-one million, five hundred twelve thousand, four hundred one".