11420313534 has 24 divisors (see below), whose sum is σ = 28278871920. Its totient is φ = 3262946688.

The previous prime is 11420313521. The next prime is 11420313563. The reversal of 11420313534 is 43531302411.

It is a happy number.

11420313534 is a `hidden beast` number, since 114 + 2 + 0 + 3 + 13 + 534 = 666.

It is a super-2 number, since 2×11420313534² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11420313498 and 11420313507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45318579 + ... + 45318830.

It is an arithmetic number, because the mean of its divisors is an integer number (1178286330).

Almost surely, 2^11420313534 is an apocalyptic number.

11420313534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11420313534 is an abundant number, since it is smaller than the sum of its proper divisors (16858558386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11420313534 is a wasteful number, since it uses less digits than its factorization.

11420313534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90637424 (or 90637421 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 11420313534 its reverse (43531302411), we get a palindrome (54951615945).

The spelling of 11420313534 in words is "eleven billion, four hundred twenty million, three hundred thirteen thousand, five hundred thirty-four".