11461611015 has 72 divisors (see below), whose sum is σ = 21028932288. Its totient is φ = 5774163840.

The previous prime is 11461611013. The next prime is 11461611041. The reversal of 11461611015 is 51011616411.

11461611015 is a `hidden beast` number, since 1 + 1 + 46 + 1 + 611 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 11461611015 - 2¹ = 11461611013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11461611015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11461611013) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7000777 + ... + 7002413.

It is an arithmetic number, because the mean of its divisors is an integer number (292068504).

Almost surely, 2^11461611015 is an apocalyptic number.

11461611015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11461611015 is a deficient number, since it is larger than the sum of its proper divisors (9567321273).

11461611015 is a wasteful number, since it uses less digits than its factorization.

11461611015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

It can be divided in two parts, 1146 and 1611015, that added together give a palindrome (1612161).

The spelling of 11461611015 in words is "eleven billion, four hundred sixty-one million, six hundred eleven thousand, fifteen".