11001402461 has 16 divisors (see below), whose sum is σ = 12740259840. Its totient is φ = 9304504560.

The previous prime is 11001402427. The next prime is 11001402473. The reversal of 11001402461 is 16420410011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001402461 is a prime.

It is a super-2 number, since 2×11001402461² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001402961) 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, 1016006 + ... + 1026776.

It is an arithmetic number, because the mean of its divisors is an integer number (796266240).

Almost surely, 2^11001402461 is an apocalyptic number.

It is an amenable number.

11001402461 is a deficient number, since it is larger than the sum of its proper divisors (1738857379).

11001402461 is a wasteful number, since it uses less digits than its factorization.

11001402461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12704.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11001402461 its reverse (16420410011), we get a palindrome (27421812472).

The spelling of 11001402461 in words is "eleven billion, one million, four hundred two thousand, four hundred sixty-one".