11428572215 has 8 divisors (see below), whose sum is σ = 13714897968. Its totient is φ = 9142450240.

The previous prime is 11428572193. The next prime is 11428572227. The reversal of 11428572215 is 51227582411.

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

It is not a de Polignac number, because 11428572215 - 2⁶ = 11428572151 is a prime.

It is a super-2 number, since 2×11428572215² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132500 + ... + 201030.

It is an arithmetic number, because the mean of its divisors is an integer number (1714362246).

Almost surely, 2^11428572215 is an apocalyptic number.

11428572215 is a deficient number, since it is larger than the sum of its proper divisors (2286325753).

11428572215 is an equidigital number, since it uses as much as digits as its factorization.

11428572215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101889.

The product of its digits is 44800, while the sum is 38.

The spelling of 11428572215 in words is "eleven billion, four hundred twenty-eight million, five hundred seventy-two thousand, two hundred fifteen".