11402680465 has 16 divisors (see below), whose sum is σ = 14929427520. Its totient is φ = 8291590720.

The previous prime is 11402680451. The next prime is 11402680469. The reversal of 11402680465 is 56408620411.

It is not a de Polignac number, because 11402680465 - 2¹³ = 11402672273 is a prime.

It is a super-2 number, since 2×11402680465² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11402680469) 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, 496251 + ... + 518719.

It is an arithmetic number, because the mean of its divisors is an integer number (933089220).

Almost surely, 2^11402680465 is an apocalyptic number.

It is an amenable number.

11402680465 is a deficient number, since it is larger than the sum of its proper divisors (3526747055).

11402680465 is a wasteful number, since it uses less digits than its factorization.

11402680465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31712.

The product of its (nonzero) digits is 46080, while the sum is 37.

It can be divided in two parts, 114026 and 80465, that added together give a palindrome (194491).

The spelling of 11402680465 in words is "eleven billion, four hundred two million, six hundred eighty thousand, four hundred sixty-five".