1955148115711 has 8 divisors (see below), whose sum is σ = 2243804175360. Its totient is φ = 1668829352568.

The previous prime is 1955148115709. The next prime is 1955148115727. The reversal of 1955148115711 is 1175118415591.

It is a happy number.

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

It is not a de Polignac number, because 1955148115711 - 2¹ = 1955148115709 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 (1955148115211) 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, 584322331 + ... + 584325676.

It is an arithmetic number, because the mean of its divisors is an integer number (280475521920).

Almost surely, 2^{1955148115711} is an apocalyptic number.

1955148115711 is a deficient number, since it is larger than the sum of its proper divisors (288656059649).

1955148115711 is a wasteful number, since it uses less digits than its factorization.

1955148115711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168648253.

The product of its digits is 252000, while the sum is 49.

The spelling of 1955148115711 in words is "one trillion, nine hundred fifty-five billion, one hundred forty-eight million, one hundred fifteen thousand, seven hundred eleven".