11211400061 has 8 divisors (see below), whose sum is σ = 11330505984. Its totient is φ = 11092453200.

The previous prime is 11211400051. The next prime is 11211400073. The reversal of 11211400061 is 16000411211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211400061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211400001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104720 + ... + 182726.

It is an arithmetic number, because the mean of its divisors is an integer number (1416313248).

Almost surely, 2^11211400061 is an apocalyptic number.

It is an amenable number.

11211400061 is a deficient number, since it is larger than the sum of its proper divisors (119105923).

11211400061 is a wasteful number, since it uses less digits than its factorization.

11211400061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79531.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11211400061 its reverse (16000411211), we get a palindrome (27211811272).

The spelling of 11211400061 in words is "eleven billion, two hundred eleven million, four hundred thousand, sixty-one".