11401772351217 has 32 divisors (see below), whose sum is σ = 16115269969920. Its totient is φ = 7150407580800.

The previous prime is 11401772351213. The next prime is 11401772351231. The reversal of 11401772351217 is 71215327710411.

It is not a de Polignac number, because 11401772351217 - 2² = 11401772351213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11401772351213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20180188 + ... + 20737490.

It is an arithmetic number, because the mean of its divisors is an integer number (503602186560).

Almost surely, 2^{11401772351217} is an apocalyptic number.

It is an amenable number.

11401772351217 is a deficient number, since it is larger than the sum of its proper divisors (4713497618703).

11401772351217 is a wasteful number, since it uses less digits than its factorization.

11401772351217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559853.

The product of its (nonzero) digits is 82320, while the sum is 42.

The spelling of 11401772351217 in words is "eleven trillion, four hundred one billion, seven hundred seventy-two million, three hundred fifty-one thousand, two hundred seventeen".