55145152511 has 8 divisors (see below), whose sum is σ = 55477791120. Its totient is φ = 54812673792.

The previous prime is 55145152471. The next prime is 55145152529. The reversal of 55145152511 is 11525154155.

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 55145152511 - 2³⁴ = 37965283327 is a prime.

It is a super-2 number, since 2×55145152511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55145152591) 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, 692111 + ... + 767663.

It is an arithmetic number, because the mean of its divisors is an integer number (6934723890).

Almost surely, 2^55145152511 is an apocalyptic number.

55145152511 is a deficient number, since it is larger than the sum of its proper divisors (332638609).

55145152511 is a wasteful number, since it uses less digits than its factorization.

55145152511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79945.

The product of its digits is 25000, while the sum is 35.

The spelling of 55145152511 in words is "fifty-five billion, one hundred forty-five million, one hundred fifty-two thousand, five hundred eleven".