11631495 has 16 divisors (see below), whose sum is σ = 19065312. Its totient is φ = 6051840.

The previous prime is 11631469. The next prime is 11631497. The reversal of 11631495 is 59413611.

It is not a de Polignac number, because 11631495 - 2⁸ = 11631239 is a prime.

It is a super-3 number, since 3×11631495³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8842 + ... + 10071.

It is an arithmetic number, because the mean of its divisors is an integer number (1191582).

Almost surely, 2^11631495 is an apocalyptic number.

11631495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11631495 is a deficient number, since it is larger than the sum of its proper divisors (7433817).

11631495 is a wasteful number, since it uses less digits than its factorization.

11631495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18962.

The product of its digits is 3240, while the sum is 30.

The square root of 11631495 is about 3410.4977642567. The cubic root of 11631495 is about 226.5749256285.

The spelling of 11631495 in words is "eleven million, six hundred thirty-one thousand, four hundred ninety-five".