11506012635 has 48 divisors (see below), whose sum is σ = 19982827008. Its totient is φ = 5650819200.

The previous prime is 11506012633. The next prime is 11506012667. The reversal of 11506012635 is 53621060511.

It is not a de Polignac number, because 11506012635 - 2¹ = 11506012633 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11506012633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1087320 + ... + 1097850.

It is an arithmetic number, because the mean of its divisors is an integer number (416308896).

Almost surely, 2^11506012635 is an apocalyptic number.

11506012635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11506012635 is a deficient number, since it is larger than the sum of its proper divisors (8476814373).

11506012635 is a wasteful number, since it uses less digits than its factorization.

11506012635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10996 (or 10983 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 11506012635 in words is "eleven billion, five hundred six million, twelve thousand, six hundred thirty-five".