11461972495 has 16 divisors (see below), whose sum is σ = 13827277152. Its totient is φ = 9121052160.

The previous prime is 11461972493. The next prime is 11461972507. The reversal of 11461972495 is 59427916411.

It is not a de Polignac number, because 11461972495 - 2¹ = 11461972493 is a prime.

It is a super-2 number, since 2×11461972495² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11461972493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303915 + ... + 1312675.

It is an arithmetic number, because the mean of its divisors is an integer number (864204822).

Almost surely, 2^11461972495 is an apocalyptic number.

11461972495 is a deficient number, since it is larger than the sum of its proper divisors (2365304657).

11461972495 is a wasteful number, since it uses less digits than its factorization.

11461972495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122.

The product of its digits is 544320, while the sum is 49.

The spelling of 11461972495 in words is "eleven billion, four hundred sixty-one million, nine hundred seventy-two thousand, four hundred ninety-five".