11215151001 has 8 divisors (see below), whose sum is σ = 16615038560. Its totient is φ = 7476767316.

The previous prime is 11215150987. The next prime is 11215151041. The reversal of 11215151001 is 10015151211.

11215151001 is a `hidden beast` number, since 1 + 1 + 2 + 151 + 510 + 0 + 1 = 666.

It is not a de Polignac number, because 11215151001 - 2¹¹ = 11215148953 is a prime.

It is a super-2 number, since 2×11215151001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11215151041) 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, 207687955 + ... + 207688008.

It is an arithmetic number, because the mean of its divisors is an integer number (2076879820).

Almost surely, 2^11215151001 is an apocalyptic number.

It is an amenable number.

11215151001 is a deficient number, since it is larger than the sum of its proper divisors (5399887559).

11215151001 is an equidigital number, since it uses as much as digits as its factorization.

11215151001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415375972 (or 415375966 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

The spelling of 11215151001 in words is "eleven billion, two hundred fifteen million, one hundred fifty-one thousand, one".