11956901629 has 8 divisors (see below), whose sum is σ = 12200975552. Its totient is φ = 11714997600.

The previous prime is 11956901623. The next prime is 11956901633. The reversal of 11956901629 is 92610965911.

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

It is a cyclic number.

It is not a de Polignac number, because 11956901629 - 2¹³ = 11956893437 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 (11956901623) 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, 531339 + ... + 553384.

It is an arithmetic number, because the mean of its divisors is an integer number (1525121944).

Almost surely, 2^11956901629 is an apocalyptic number.

It is an amenable number.

11956901629 is a deficient number, since it is larger than the sum of its proper divisors (244073923).

11956901629 is a wasteful number, since it uses less digits than its factorization.

11956901629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084947.

The product of its (nonzero) digits is 262440, while the sum is 49.

The spelling of 11956901629 in words is "eleven billion, nine hundred fifty-six million, nine hundred one thousand, six hundred twenty-nine".